Mathaversaries

11th February, 1990

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What is this?

The practice of celebrating the number of orbits a person has lived or a marriage has lasted been tradition for as long as we have measured the passing of years.

But why do we attach so much importance to that particular astronomical curiosity? Why put special emphasis on multiples of ten of these particular planetary pirouettes? Why not celebrate 1,000 days of marriage? Or 150 Mercury years alive? Or 5 Cobalt 60 half-lives?

Mathaversaries can help you remember these uncommon milestones, and ensure you never miss an excuse to celebrate.

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DateDaysEvent
6 October 2013 8,638 1234 weeks
2 November 2013 8,665 2 Jupiter years
11 February 2014 8,766 24 Earth years
25 February 2014 8,780 17 Root-2 years
13 March 2014 8,796 100 Mercury years
21 May 2014 8,865 15 Golden ratio years
13 June 2014 8,888 8888 days
26 July 2014 8,931 13 Mars years
30 July 2014 8,935 9 e years
21 September 2014 8,988 40 Venus years
3 October 2014 9,000 9,000 days
7 October 2014 9,004 2 Hydrogen 3 (Tritium) half-lives
31 October 2014 9,028 13,000,000 minutes
11 February 2015 9,131 25 Earth years
31 March 2015 9,179 8 Pi years
26 July 2015 9,296 18 Root-2 years
2 January 2016 9,456 16 Golden ratio years
11 February 2016 9,496 26 Earth years
15 April 2016 9,560 2 Californium 250 half-lives
12 June 2016 9,618 14 Mars years
19 June 2016 9,625 5 Cobalt 60 half-lives
9 August 2016 9,676 110 Mercury years
24 September 2016 9,722 14,000,000 minutes
24 December 2016 9,813 19 Root-2 years
11 February 2017 9,862 27 Earth years
17 April 2017 9,927 10 e years
28 June 2017 9,999 9999 days
29 June 2017 10,000 10,000 days
15 August 2017 10,047 17 Golden ratio years
11 February 2018 10,227 28 Earth years
30 April 2018 10,305 15 Mars years
22 May 2018 10,327 9 Pi years
24 May 2018 10,329 20 Root-2 years
2 August 2018 10,399 30 Draconic years
20 August 2018 10,417 15,000,000 minutes
5 January 2019 10,555 120 Mercury years
11 February 2019 10,592 29 Earth years
29 March 2019 10,638 18 Golden ratio years
8 April 2019 10,648 1 Curium 243 half-lives
9 October 2019 10,832 1 Saturn year
23 October 2019 10,846 21 Root-2 years
5 January 2020 10,920 400 lunar orbits
5 January 2020 10,920 11 e years
31 January 2020 10,946 21st Fibonacci number days
11 February 2020 10,957 30 Earth years
17 March 2020 10,992 16 Mars years
25 March 2020 11,000 11,000 days
14 July 2020 11,111 11111 days
14 July 2020 11,111 16,000,000 minutes
9 November 2020 11,229 19 Golden ratio years
15 November 2020 11,235 50 Venus years
11 February 2021 11,323 31 Earth years
22 March 2021 11,362 22 Root-2 years
3 June 2021 11,435 130 Mercury years
12 July 2021 11,474 10 Pi years
26 September 2021 11,550 6 Cobalt 60 half-lives
20 October 2021 11,574 1 gigasecond
2 February 2022 11,679 17 Mars years
11 February 2022 11,688 32 Earth years
8 June 2022 11,805 17,000,000 minutes
22 June 2022 11,819 20 Golden ratio years
21 August 2022 11,879 23 Root-2 years
24 September 2022 11,913 12 e years
20 December 2022 12,000 12,000 days
11 February 2023 12,053 33 Earth years
30 October 2023 12,314 140 Mercury years
30 November 2023 12,345 12345 days
8 December 2023 12,353 30 Full moon cycles
21 December 2023 12,366 18 Mars years
19 January 2024 12,395 24 Root-2 years
3 February 2024 12,410 21 Golden ratio years
11 February 2024 12,418 34 Earth years
3 May 2024 12,500 18,000,000 minutes
3 May 2024 12,500 300,000 hours
2 September 2024 12,622 11 Pi years
1 February 2025 12,774 2,000 Pluto days
11 February 2025 12,784 35 Earth years
13 June 2025 12,906 13 e years
19 June 2025 12,912 25 Root-2 years
13 September 2025 12,998 3 Jupiter years
15 September 2025 13,000 13,000 days
16 September 2025 13,001 22 Golden ratio years
7 November 2025 13,053 19 Mars years
11 February 2026 13,149 36 Earth years
28 March 2026 13,194 19,000,000 minutes
28 March 2026 13,194 150 Mercury years
17 November 2026 13,428 26 Root-2 years
3 January 2027 13,475 7 Cobalt 60 half-lives
10 January 2027 13,482 60 Venus years
3 February 2027 13,506 3 Hydrogen 3 (Tritium) half-lives
11 February 2027 13,514 37 Earth years
30 April 2027 13,592 23 Golden ratio years
27 June 2027 13,650 500 lunar orbits
25 September 2027 13,740 20 Mars years
24 October 2027 13,769 12 Pi years
20 November 2027 13,796 1 reign of Henry VIII
28 January 2028 13,865 40 Draconic years
11 February 2028 13,879 38 Earth years
21 February 2028 13,889 20,000,000 minutes
1 March 2028 13,898 14 e years
17 April 2028 13,945 27 Root-2 years
11 June 2028 14,000 14,000 days
24 August 2028 14,074 160 Mercury years
11 December 2028 14,183 24 Golden ratio years
11 February 2029 14,245 39 Earth years
17 May 2029 14,340 3 Californium 250 half-lives
12 August 2029 14,427 21 Mars years
15 September 2029 14,461 28 Root-2 years
15 January 2030 14,583 21,000,000 minutes
11 February 2030 14,610 40 Earth years
25 July 2030 14,774 25 Golden ratio years
19 November 2030 14,891 15 e years
15 December 2030 14,917 13 Pi years
20 January 2031 14,953 170 Mercury years
11 February 2031 14,975 41 Earth years
13 February 2031 14,977 29 Root-2 years
8 March 2031 15,000 15,000 days
30 June 2031 15,114 22 Mars years
11 December 2031 15,278 22,000,000 minutes
11 February 2032 15,340 42 Earth years
7 March 2032 15,365 26 Golden ratio years
11 April 2032 15,400 8 Cobalt 60 half-lives
14 July 2032 15,494 30 Root-2 years
11 February 2033 15,706 43 Earth years
6 March 2033 15,729 70 Venus years
17 May 2033 15,801 23 Mars years
18 June 2033 15,833 180 Mercury years
8 August 2033 15,884 16 e years
19 October 2033 15,956 27 Golden ratio years
4 November 2033 15,972 23,000,000 minutes
2 December 2033 16,000 16,000 days
12 December 2033 16,010 31 Root-2 years
4 February 2034 16,064 14 Pi years
11 February 2034 16,071 44 Earth years
17 December 2034 16,380 600 lunar orbits
11 February 2035 16,436 45 Earth years
18 March 2035 16,471 40 Full moon cycles
4 April 2035 16,488 24 Mars years
13 May 2035 16,527 32 Root-2 years
2 June 2035 16,547 28 Golden ratio years
30 September 2035 16,667 24,000,000 minutes
30 September 2035 16,667 400,000 hours
14 November 2035 16,712 190 Mercury years
11 February 2036 16,801 46 Earth years
27 April 2036 16,877 17 e years
28 August 2036 17,000 17,000 days
10 October 2036 17,043 33 Root-2 years
13 January 2037 17,138 29 Golden ratio years
11 February 2037 17,167 47 Earth years
19 February 2037 17,175 25 Mars years
27 March 2037 17,211 15 Pi years
19 July 2037 17,325 9 Cobalt 60 half-lives
25 July 2037 17,331 50 Draconic years
25 July 2037 17,331 4 Jupiter years
24 August 2037 17,361 25,000,000 minutes
11 February 2038 17,532 48 Earth years
11 March 2038 17,560 34 Root-2 years
12 April 2038 17,592 200 Mercury years
9 August 2038 17,711 22nd Fibonacci number days
27 August 2038 17,729 30 Golden ratio years
7 January 2039 17,862 26 Mars years
14 January 2039 17,869 18 e years
11 February 2039 17,897 49 Earth years
1 May 2039 17,976 80 Venus years
25 May 2039 18,000 18,000 days
2 June 2039 18,008 4 Hydrogen 3 (Tritium) half-lives
19 July 2039 18,055 26,000,000 minutes
9 August 2039 18,076 35 Root-2 years
11 February 2040 18,262 50 Earth years
9 April 2040 18,320 31 Golden ratio years
18 May 2040 18,359 16 Pi years
8 September 2040 18,472 210 Mercury years
24 November 2040 18,549 27 Mars years
7 January 2041 18,593 36 Root-2 years
11 February 2041 18,628 51 Earth years
13 June 2041 18,750 27,000,000 minutes
3 October 2041 18,862 19 e years
21 November 2041 18,911 32 Golden ratio years
11 February 2042 18,993 52 Earth years
18 February 2042 19,000 19,000 days
7 June 2042 19,109 37 Root-2 years
8 June 2042 19,110 700 lunar orbits
18 June 2042 19,120 4 Californium 250 half-lives
29 July 2042 19,161 3,000 Pluto days
12 October 2042 19,236 28 Mars years
26 October 2042 19,250 10 Cobalt 60 half-lives
4 February 2043 19,351 220 Mercury years
11 February 2043 19,358 53 Earth years
8 May 2043 19,444 28,000,000 minutes
5 July 2043 19,502 33 Golden ratio years
9 July 2043 19,506 17 Pi years
6 November 2043 19,626 38 Root-2 years
11 February 2044 19,723 54 Earth years
22 June 2044 19,855 20 e years
29 August 2044 19,923 29 Mars years
14 November 2044 20,000 20,000 days
11 February 2045 20,089 55 Earth years
15 February 2045 20,093 34 Golden ratio years
2 April 2045 20,139 29,000,000 minutes
5 April 2045 20,142 39 Root-2 years
25 June 2045 20,223 90 Venus years
3 July 2045 20,231 230 Mercury years
11 February 2046 20,454 56 Earth years
26 June 2046 20,589 50 Full moon cycles
17 July 2046 20,610 30 Mars years
30 August 2046 20,654 18 Pi years
4 September 2046 20,659 40 Root-2 years
29 September 2046 20,684 35 Golden ratio years
20 January 2047 20,797 60 Draconic years
11 February 2047 20,819 57 Earth years
25 February 2047 20,833 30,000,000 minutes
25 February 2047 20,833 500,000 hours
12 March 2047 20,848 21 e years
11 August 2047 21,000 21,000 days
29 November 2047 21,110 240 Mercury years
2 February 2048 21,175 41 Root-2 years
2 February 2048 21,175 11 Cobalt 60 half-lives
11 February 2048 21,184 58 Earth years
12 May 2048 21,275 36 Golden ratio years
2 June 2048 21,296 2 Curium 243 half-lives
3 June 2048 21,297 31 Mars years
20 January 2049 21,528 31,000,000 minutes
11 February 2049 21,550 59 Earth years
5 June 2049 21,664 5 Jupiter years
5 June 2049 21,664 2 Saturn years
2 July 2049 21,691 42 Root-2 years
20 October 2049 21,801 19 Pi years
28 November 2049 21,840 800 lunar orbits
28 November 2049 21,840 22 e years
24 December 2049 21,866 37 Golden ratio years
11 February 2050 21,915 60 Earth years
21 April 2050 21,984 32 Mars years
27 April 2050 21,990 250 Mercury years
7 May 2050 22,000 22,000 days
1 December 2050 22,208 43 Root-2 years
15 December 2050 22,222 22222 days
15 December 2050 22,222 32,000,000 minutes
11 February 2051 22,280 61 Earth years
7 August 2051 22,457 38 Golden ratio years
20 August 2051 22,470 100 Venus years
29 September 2051 22,510 5 Hydrogen 3 (Tritium) half-lives
11 February 2052 22,645 62 Earth years
8 March 2052 22,671 33 Mars years
30 April 2052 22,724 44 Root-2 years
17 August 2052 22,833 23 e years
23 September 2052 22,870 260 Mercury years
9 November 2052 22,917 33,000,000 minutes
11 December 2052 22,949 20 Pi years
31 January 2053 23,000 23,000 days
11 February 2053 23,011 63 Earth years
20 March 2053 23,048 39 Golden ratio years
11 May 2053 23,100 12 Cobalt 60 half-lives
28 June 2053 23,148 2 gigaseconds
14 September 2053 23,226 1 reign of Queen Victoria
24 January 2054 23,358 34 Mars years
11 February 2054 23,376 64 Earth years
4 October 2054 23,611 34,000,000 minutes
1 November 2054 23,639 40 Golden ratio years
11 February 2055 23,741 65 Earth years
19 February 2055 23,749 270 Mercury years
7 May 2055 23,826 24 e years
20 July 2055 23,900 5 Californium 250 half-lives
28 October 2055 24,000 24,000 days
12 December 2055 24,045 35 Mars years
1 February 2056 24,096 21 Pi years
11 February 2056 24,106 66 Earth years
14 June 2056 24,230 41 Golden ratio years
17 July 2056 24,263 70 Draconic years
28 August 2056 24,305 35,000,000 minutes
11 February 2057 24,472 67 Earth years
20 May 2057 24,570 900 lunar orbits
18 July 2057 24,629 280 Mercury years
4 October 2057 24,707 60 Full moon cycles
14 October 2057 24,717 110 Venus years
29 October 2057 24,732 36 Mars years
24 January 2058 24,819 25 e years
26 January 2058 24,821 42 Golden ratio years
11 February 2058 24,837 68 Earth years
24 July 2058 25,000 25,000 days
24 July 2058 25,000 36,000,000 minutes
24 July 2058 25,000 600,000 hours
18 August 2058 25,025 13 Cobalt 60 half-lives
11 February 2059 25,202 69 Earth years
25 March 2059 25,244 22 Pi years
9 September 2059 25,412 43 Golden ratio years
16 September 2059 25,419 37 Mars years
14 December 2059 25,508 290 Mercury years
23 January 2060 25,548 4,000 Pluto days
11 February 2060 25,567 70 Earth years
17 June 2060 25,694 37,000,000 minutes
12 October 2060 25,811 26 e years
11 February 2061 25,933 71 Earth years
15 April 2061 25,996 6 Jupiter years
19 April 2061 26,000 26,000 days
22 April 2061 26,003 44 Golden ratio years
3 August 2061 26,106 38 Mars years
11 February 2062 26,298 72 Earth years
12 May 2062 26,388 300 Mercury years
13 May 2062 26,389 38,000,000 minutes
15 May 2062 26,391 23 Pi years
11 February 2063 26,663 73 Earth years
21 June 2063 26,793 39 Mars years
2 July 2063 26,804 27 e years
25 November 2063 26,950 14 Cobalt 60 half-lives
9 December 2063 26,964 120 Venus years
14 January 2064 27,000 27,000 days
26 January 2064 27,012 6 Hydrogen 3 (Tritium) half-lives
11 February 2064 27,028 74 Earth years
6 April 2064 27,083 39,000,000 minutes
8 October 2064 27,268 310 Mercury years
9 November 2064 27,300 1,000 lunar orbits
11 February 2065 27,394 75 Earth years
8 May 2065 27,480 40 Mars years
5 July 2065 27,538 24 Pi years
28 August 2065 27,592 2 reigns of Henry VIII
13 January 2066 27,730 80 Draconic years
11 February 2066 27,759 76 Earth years
2 March 2066 27,778 40,000,000 minutes
21 March 2066 27,797 28 e years
10 October 2066 28,000 28,000 days
11 February 2067 28,124 77 Earth years
6 March 2067 28,147 320 Mercury years
26 March 2067 28,167 41 Mars years
25 January 2068 28,472 41,000,000 minutes
11 February 2068 28,489 78 Earth years
28 July 2068 28,657 23rd Fibonacci number days
20 August 2068 28,680 6 Californium 250 half-lives
26 August 2068 28,686 25 Pi years
8 December 2068 28,790 29 e years
12 January 2069 28,825 70 Full moon cycles
10 February 2069 28,854 42 Mars years
11 February 2069 28,855 79 Earth years
3 March 2069 28,875 15 Cobalt 60 half-lives
6 July 2069 29,000 29,000 days
2 August 2069 29,027 330 Mercury years
19 December 2069 29,166 42,000,000 minutes
20 December 2069 29,167 700,000 hours
2 February 2070 29,211 130 Venus years
11 February 2070 29,220 80 Earth years
29 December 2070 29,541 43 Mars years
11 February 2071 29,585 81 Earth years
27 August 2071 29,782 30 e years
17 October 2071 29,833 26 Pi years
14 November 2071 29,861 43,000,000 minutes
29 December 2071 29,906 340 Mercury years
11 February 2072 29,950 82 Earth years
1 April 2072 30,000 30,000 days
1 May 2072 30,030 1,100 lunar orbits
15 November 2072 30,228 44 Mars years
4 December 2072 30,247 4321 weeks
11 February 2073 30,316 83 Earth years
24 February 2073 30,329 7 Jupiter years
8 October 2073 30,555 44,000,000 minutes
11 February 2074 30,681 84 Earth years
16 May 2074 30,775 31 e years
27 May 2074 30,786 350 Mercury years
10 June 2074 30,800 16 Cobalt 60 half-lives
3 October 2074 30,915 45 Mars years
8 December 2074 30,981 27 Pi years
27 December 2074 31,000 31,000 days
11 February 2075 31,046 85 Earth years
11 July 2075 31,196 90 Draconic years
3 September 2075 31,250 45,000,000 minutes
11 February 2076 31,411 86 Earth years
29 March 2076 31,458 140 Venus years
24 May 2076 31,514 7 Hydrogen 3 (Tritium) half-lives
20 August 2076 31,602 46 Mars years
23 October 2076 31,666 360 Mercury years
2 February 2077 31,768 32 e years
11 February 2077 31,777 87 Earth years
19 July 2077 31,935 5,000 Pluto days
28 July 2077 31,944 46,000,000 minutes
28 July 2077 31,944 3 Curium 243 half-lives
22 September 2077 32,000 32,000 days
28 January 2078 32,128 28 Pi years
11 February 2078 32,142 88 Earth years
8 July 2078 32,289 47 Mars years
31 January 2079 32,496 3 Saturn years
11 February 2079 32,507 89 Earth years
21 March 2079 32,545 370 Mercury years
23 June 2079 32,639 47,000,000 minutes
17 September 2079 32,725 17 Cobalt 60 half-lives
22 October 2079 32,760 1,200 lunar orbits
23 October 2079 32,761 33 e years
11 February 2080 32,872 90 Earth years
21 April 2080 32,942 80 Full moon cycles
25 May 2080 32,976 48 Mars years
18 June 2080 33,000 33,000 days
11 February 2081 33,238 91 Earth years
21 March 2081 33,276 29 Pi years
17 May 2081 33,333 33333 days
17 May 2081 33,333 48,000,000 minutes
17 May 2081 33,333 800,000 hours
17 August 2081 33,425 380 Mercury years
21 September 2081 33,460 7 Californium 250 half-lives
11 February 2082 33,603 92 Earth years
12 April 2082 33,663 49 Mars years
24 May 2082 33,705 150 Venus years
11 July 2082 33,753 34 e years
11 February 2083 33,968 93 Earth years
15 March 2083 34,000 34,000 days
12 April 2083 34,028 49,000,000 minutes
13 January 2084 34,304 390 Mercury years
11 February 2084 34,333 94 Earth years
28 February 2084 34,350 50 Mars years
11 May 2084 34,423 30 Pi years
24 December 2084 34,650 18 Cobalt 60 half-lives
5 January 2085 34,662 100 Draconic years
5 January 2085 34,662 8 Jupiter years
11 February 2085 34,699 95 Earth years
6 March 2085 34,722 3 gigaseconds
6 March 2085 34,722 50,000,000 minutes
30 March 2085 34,746 35 e years
9 December 2085 35,000 35,000 days
15 January 2086 35,037 51 Mars years
11 February 2086 35,064 96 Earth years
11 June 2086 35,184 400 Mercury years
29 January 2087 35,416 51,000,000 minutes
11 February 2087 35,429 97 Earth years
13 April 2087 35,490 1,300 lunar orbits
2 July 2087 35,570 31 Pi years
3 December 2087 35,724 52 Mars years
18 December 2087 35,739 36 e years
11 February 2088 35,794 98 Earth years
18 July 2088 35,952 160 Venus years
4 September 2088 36,000 36,000 days
20 September 2088 36,016 8 Hydrogen 3 (Tritium) half-lives
7 November 2088 36,064 410 Mercury years
24 December 2088 36,111 52,000,000 minutes
11 February 2089 36,160 99 Earth years
20 October 2089 36,411 53 Mars years
11 February 2090 36,525 100 Earth years
2 April 2090 36,575 19 Cobalt 60 half-lives
23 August 2090 36,718 32 Pi years
6 September 2090 36,732 37 e years
18 November 2090 36,805 53,000,000 minutes
11 February 2091 36,890 101 Earth years
5 April 2091 36,943 420 Mercury years
1 June 2091 37,000 37,000 days
31 July 2091 37,060 90 Full moon cycles
7 September 2091 37,098 54 Mars years
11 February 2092 37,255 102 Earth years
13 October 2092 37,500 54,000,000 minutes
13 October 2092 37,500 900,000 hours
11 February 2093 37,621 103 Earth years
25 May 2093 37,724 38 e years
25 July 2093 37,785 55 Mars years
1 September 2093 37,823 430 Mercury years
13 October 2093 37,865 33 Pi years
11 February 2094 37,986 104 Earth years
25 February 2094 38,000 38,000 days
3 July 2094 38,128 110 Draconic years
7 September 2094 38,194 55,000,000 minutes
12 September 2094 38,199 170 Venus years
3 October 2094 38,220 1,400 lunar orbits
23 October 2094 38,240 8 Californium 250 half-lives
13 January 2095 38,322 6,000 Pluto days
11 February 2095 38,351 105 Earth years
12 June 2095 38,472 56 Mars years
10 July 2095 38,500 20 Cobalt 60 half-lives
28 January 2096 38,702 440 Mercury years
11 February 2096 38,716 106 Earth years
12 February 2096 38,717 39 e years
2 August 2096 38,889 56,000,000 minutes
15 November 2096 38,994 9 Jupiter years
21 November 2096 39,000 39,000 days
4 December 2096 39,013 34 Pi years
11 February 2097 39,082 107 Earth years
29 April 2097 39,159 57 Mars years
11 February 2098 39,447 108 Earth years
26 June 2098 39,582 450 Mercury years
27 June 2098 39,583 57,000,000 minutes
1 November 2098 39,710 40 e years
11 February 2099 39,812 109 Earth years
17 March 2099 39,846 58 Mars years
18 August 2099 40,000 40,000 days
25 January 2100 40,160 35 Pi years
11 February 2100 40,177 110 Earth years
23 May 2100 40,278 58,000,000 minutes
17 October 2100 40,425 21 Cobalt 60 half-lives
7 November 2100 40,446 180 Venus years
23 November 2100 40,462 460 Mercury years
18 January 2101 40,518 9 Hydrogen 3 (Tritium) half-lives
2 February 2101 40,533 59 Mars years
11 February 2101 40,542 111 Earth years
22 July 2101 40,703 41 e years
11 February 2102 40,907 112 Earth years
26 March 2102 40,950 1,500 lunar orbits
17 April 2102 40,972 59,000,000 minutes
15 May 2102 41,000 41,000 days
9 November 2102 41,178 100 Full moon cycles
21 December 2102 41,220 60 Mars years
11 February 2103 41,272 113 Earth years
19 March 2103 41,308 36 Pi years
21 April 2103 41,341 470 Mercury years
7 June 2103 41,388 3 reigns of Henry VIII
30 December 2103 41,594 120 Draconic years
11 February 2104 41,637 114 Earth years
11 March 2104 41,666 60,000,000 minutes
12 March 2104 41,667 1,000,000 hours
9 April 2104 41,695 42 e years
7 November 2104 41,907 61 Mars years
8 February 2105 42,000 42,000 days
11 February 2105 42,003 115 Earth years
17 September 2105 42,221 480 Mercury years
24 January 2106 42,350 22 Cobalt 60 half-lives
4 February 2106 42,361 61,000,000 minutes
11 February 2106 42,368 116 Earth years
9 May 2106 42,455 37 Pi years
23 September 2106 42,592 4 Curium 243 half-lives
25 September 2106 42,594 62 Mars years
28 December 2106 42,688 43 e years
2 January 2107 42,693 190 Venus years
11 February 2107 42,733 117 Earth years
5 November 2107 43,000 43,000 days
25 November 2107 43,020 9 Californium 250 half-lives
30 December 2107 43,055 62,000,000 minutes
11 February 2108 43,098 118 Earth years
13 February 2108 43,100 490 Mercury years
12 August 2108 43,281 63 Mars years
27 September 2108 43,327 10 Jupiter years
28 September 2108 43,328 4 Saturn years
11 February 2109 43,464 119 Earth years
29 June 2109 43,602 38 Pi years
15 September 2109 43,680 1,600 lunar orbits
16 September 2109 43,681 44 e years
24 November 2109 43,750 63,000,000 minutes
11 February 2110 43,829 120 Earth years
30 June 2110 43,968 64 Mars years
12 July 2110 43,980 500 Mercury years
1 August 2110 44,000 44,000 days
11 February 2111 44,194 121 Earth years
3 May 2111 44,275 23 Cobalt 60 half-lives
19 October 2111 44,444 44444 days
19 October 2111 44,444 64,000,000 minutes
11 February 2112 44,559 122 Earth years
17 May 2112 44,655 65 Mars years
10 July 2112 44,709 7,000 Pluto days
20 August 2112 44,750 39 Pi years
8 December 2112 44,860 510 Mercury years
11 February 2113 44,925 123 Earth years
26 February 2113 44,940 200 Venus years
27 April 2113 45,000 45,000 days
17 May 2113 45,020 10 Hydrogen 3 (Tritium) half-lives
27 June 2113 45,061 130 Draconic years
13 September 2113 45,139 65,000,000 minutes
11 February 2114 45,290 124 Earth years
17 February 2114 45,296 110 Full moon cycles
4 April 2114 45,342 66 Mars years
11 February 2115 45,655 125 Earth years
6 May 2115 45,739 520 Mercury years
8 August 2115 45,833 66,000,000 minutes
8 August 2115 45,833 1,100,000 hours
11 October 2115 45,897 40 Pi years
22 January 2116 46,000 46,000 days
11 February 2116 46,020 126 Earth years
20 February 2116 46,029 67 Mars years
9 August 2116 46,200 24 Cobalt 60 half-lives
13 November 2116 46,296 4 gigaseconds
24 January 2117 46,368 24th Fibonacci number days
11 February 2117 46,386 127 Earth years
7 March 2117 46,410 1,700 lunar orbits
18 April 2117 46,452 2 reigns of Queen Victoria
2 July 2117 46,527 67,000,000 minutes
2 October 2117 46,619 530 Mercury years
7 January 2118 46,716 68 Mars years
11 February 2118 46,751 128 Earth years
18 October 2118 47,000 47,000 days
2 December 2118 47,045 41 Pi years
11 February 2119 47,116 129 Earth years
23 April 2119 47,187 210 Venus years
28 May 2119 47,222 68,000,000 minutes
25 November 2119 47,403 69 Mars years
11 February 2120 47,481 130 Earth years
28 February 2120 47,498 540 Mercury years
8 August 2120 47,660 11 Jupiter years
26 December 2120 47,800 10 Californium 250 half-lives
11 February 2121 47,847 131 Earth years
21 April 2121 47,916 69,000,000 minutes
14 July 2121 48,000 48,000 days
12 October 2121 48,090 70 Mars years
16 November 2121 48,125 25 Cobalt 60 half-lives
22 January 2122 48,192 42 Pi years
11 February 2122 48,212 132 Earth years
27 July 2122 48,378 550 Mercury years
23 December 2122 48,527 140 Draconic years
11 February 2123 48,577 133 Earth years
17 March 2123 48,611 70,000,000 minutes
30 August 2123 48,777 71 Mars years
11 February 2124 48,942 134 Earth years
9 April 2124 49,000 49,000 days
27 August 2124 49,140 1,800 lunar orbits
23 December 2124 49,258 560 Mercury years
8 February 2125 49,305 71,000,000 minutes
11 February 2125 49,308 135 Earth years
15 March 2125 49,340 43 Pi years
28 May 2125 49,414 120 Full moon cycles
17 June 2125 49,434 220 Venus years
17 July 2125 49,464 72 Mars years
13 September 2125 49,522 11 Hydrogen 3 (Tritium) half-lives
11 February 2126 49,673 136 Earth years
4 January 2127 50,000 50,000 days
4 January 2127 50,000 72,000,000 minutes
4 January 2127 50,000 1,200,000 hours
End of time ∞ Infinity-versary

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DateDaysEvent
12 February 1990 1 One day
17 February 1990 6 1st even-perfect-number days
18 February 1990 7 One week
10 March 1990 27 1 lunar orbit
11 March 1990 28 One month
11 March 1990 28 2nd even-perfect-number days
25 March 1990 42 Life-universe-and-everything
7 April 1990 55 10th Fibonacci number days
21 April 1990 69 Naughty-versary
22 April 1990 70 Smallest-weird-number days
11 May 1990 89 11th Fibonacci number days
22 May 1990 100 100 days
14 June 1990 123 123 days
5 July 1990 144 12th Fibonacci number days
30 August 1990 200 200 days
2 October 1990 233 13th Fibonacci number days
11 November 1990 273 10 lunar orbits
8 December 1990 300 300 days
8 December 1990 300 Sparta!
29 December 1990 321 321 days
11 February 1991 365 1 Earth year
23 February 1991 377 14th Fibonacci number days
18 March 1991 400 400 days
22 March 1991 404 Anniversary Not Found
22 June 1991 496 3rd even-perfect-number days
26 June 1991 500 500 days
29 June 1991 503 Anniversary Forbidden
12 July 1991 516 1 Root-2 years
25 September 1991 591 1 Golden ratio years
4 October 1991 600 600 days
14 October 1991 610 15th Fibonacci number days
9 December 1991 666 Lucifersary
30 December 1991 687 1 Mars year
6 January 1992 694 1,000,000 minutes
12 January 1992 700 700 days
11 February 1992 730 2 Earth years
14 March 1992 762 Feynman-point days
21 April 1992 800 800 days
21 June 1992 861 123 weeks
10 July 1992 880 10 Mercury years
30 July 1992 900 900 days
25 October 1992 987 16th Fibonacci number days
31 October 1992 993 1 e years
7 November 1992 1,000 1,000 days
10 December 1992 1,033 2 Root-2 years
11 February 1993 1,096 3 Earth years
26 February 1993 1,111 1111 days
3 April 1993 1,147 1 Pi years
8 May 1993 1,182 2 Golden ratio years
6 June 1993 1,211 4th look-and-say number days
29 June 1993 1,234 1234 days
10 October 1993 1,337 1337 days
7 November 1993 1,365 50 lunar orbits
16 November 1993 1,374 2 Mars years
1 December 1993 1,389 2,000,000 minutes
11 February 1994 1,461 4 Earth years
10 May 1994 1,549 3 Root-2 years
27 June 1994 1,597 17th Fibonacci number days
6 November 1994 1,729 Hardy-Ramanujan-number days
6 December 1994 1,759 20 Mercury years
20 December 1994 1,773 3 Golden ratio years
11 February 1995 1,826 5 Earth years
21 May 1995 1,925 1 Cobalt 60 half-lives
20 July 1995 1,985 2 e years
22 July 1995 1,987 300th prime number (1987) days
4 August 1995 2,000 2,000 days
4 October 1995 2,061 3 Mars years
9 October 1995 2,066 4 Root-2 years
26 October 1995 2,083 3,000,000 minutes
11 February 1996 2,191 6 Earth years
13 March 1996 2,222 2222 days
7 April 1996 2,247 321 weeks
7 April 1996 2,247 10 Venus years
25 May 1996 2,295 2 Pi years
10 June 1996 2,311 5th Euclid-prime days
2 August 1996 2,364 4 Golden ratio years
11 February 1997 2,557 7 Earth years
8 March 1997 2,582 5 Root-2 years
10 March 1997 2,584 18th Fibonacci number days
4 May 1997 2,639 30 Mercury years
3 August 1997 2,730 100 lunar orbits
21 August 1997 2,748 4 Mars years
20 September 1997 2,778 4,000,000 minutes
11 February 1998 2,922 8 Earth years
16 March 1998 2,955 5 Golden ratio years
8 April 1998 2,978 3 e years
30 April 1998 3,000 3,000 days
7 August 1998 3,099 6 Root-2 years
9 November 1998 3,193 500 Pluto days
11 February 1999 3,287 9 Earth years
29 March 1999 3,333 3333 days
9 July 1999 3,435 5 Mars years
16 July 1999 3,442 3 Pi years
9 August 1999 3,466 10 Draconic years
15 August 1999 3,472 5,000,000 minutes
30 September 1999 3,518 40 Mercury years
28 October 1999 3,546 6 Golden ratio years
5 January 2000 3,615 7 Root-2 years
11 February 2000 3,652 10 Earth years
27 August 2000 3,850 2 Cobalt 60 half-lives
26 December 2000 3,971 4 e years
24 January 2001 4,000 4,000 days
11 February 2001 4,018 11 Earth years
8 May 2001 4,104 Second-positive-integer-which-can-be-expressed-as-the-sum-of-two-positive-cubes-in-two-different-ways days
22 May 2001 4,118 10 Full moon cycles
26 May 2001 4,122 6 Mars years
5 June 2001 4,132 8 Root-2 years
10 June 2001 4,137 7 Golden ratio years
10 July 2001 4,167 6,000,000 minutes
10 July 2001 4,167 100,000 hours
24 July 2001 4,181 19th Fibonacci number days
11 December 2001 4,321 4321 days
23 December 2001 4,333 1 Jupiter year
11 February 2002 4,383 12 Earth years
26 February 2002 4,398 50 Mercury years
13 April 2002 4,444 4444 days
2 June 2002 4,494 20 Venus years
10 June 2002 4,502 1 Hydrogen 3 (Tritium) half-lives
6 September 2002 4,590 4 Pi years
3 November 2002 4,648 9 Root-2 years
22 January 2003 4,728 8 Golden ratio years
11 February 2003 4,748 13 Earth years
15 March 2003 4,780 1 Californium 250 half-lives
13 April 2003 4,809 7 Mars years
4 June 2003 4,861 7,000,000 minutes
15 September 2003 4,964 5 e years
21 October 2003 5,000 5,000 days
30 November 2003 5,040 8th colossally-abundant-number days
11 February 2004 5,113 14 Earth years
3 April 2004 5,165 10 Root-2 years
25 July 2004 5,278 60 Mercury years
4 September 2004 5,319 9 Golden ratio years
23 January 2005 5,460 200 lunar orbits
11 February 2005 5,479 15 Earth years
28 February 2005 5,496 8 Mars years
28 April 2005 5,555 5555 days
29 April 2005 5,556 8,000,000 minutes
1 September 2005 5,681 11 Root-2 years
27 October 2005 5,737 5 Pi years
4 December 2005 5,775 3 Cobalt 60 half-lives
11 February 2006 5,844 16 Earth years
18 April 2006 5,910 10 Golden ratio years
3 June 2006 5,956 6 e years
17 July 2006 6,000 6,000 days
21 December 2006 6,157 70 Mercury years
7 January 2007 6,174 Kaprekar's-constant days
16 January 2007 6,183 9 Mars years
31 January 2007 6,198 12 Root-2 years
11 February 2007 6,209 17 Earth years
24 March 2007 6,250 9,000,000 minutes
8 August 2007 6,387 1,000 Pluto days
30 November 2007 6,501 11 Golden ratio years
11 February 2008 6,574 18 Earth years
13 May 2008 6,666 6666 days
30 June 2008 6,714 13 Root-2 years
27 July 2008 6,741 30 Venus years
20 August 2008 6,765 20th Fibonacci number days
3 December 2008 6,870 10 Mars years
18 December 2008 6,885 6 Pi years
3 February 2009 6,932 20 Draconic years
11 February 2009 6,940 19 Earth years
15 February 2009 6,944 10,000,000 minutes
20 February 2009 6,949 7 e years
12 April 2009 7,000 7,000 days
19 May 2009 7,037 80 Mercury years
13 July 2009 7,092 12 Golden ratio years
28 November 2009 7,230 14 Root-2 years
11 February 2010 7,305 20 Earth years
21 October 2010 7,557 11 Mars years
11 January 2011 7,639 11,000,000 minutes
11 February 2011 7,670 21 Earth years
24 February 2011 7,683 13 Golden ratio years
13 March 2011 7,700 4 Cobalt 60 half-lives
29 April 2011 7,747 15 Root-2 years
29 May 2011 7,777 7777 days
15 October 2011 7,916 90 Mercury years
10 November 2011 7,942 8 e years
7 January 2012 8,000 8,000 days
8 February 2012 8,032 7 Pi years
11 February 2012 8,035 22 Earth years
14 May 2012 8,128 4th even-perfect-number days
15 July 2012 8,190 300 lunar orbits
30 August 2012 8,236 20 Full moon cycles
7 September 2012 8,244 12 Mars years
26 September 2012 8,263 16 Root-2 years
7 October 2012 8,274 14 Golden ratio years
5 December 2012 8,333 12,000,000 minutes
5 December 2012 8,333 200,000 hours
11 February 2013 8,401 23 Earth years
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