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Julian Day Number
Table 4.2 - Julian Day Number 1996-2025 To use this table, add the calendar date (based on the noon to noon astronomical time) of your observation to the zero day of the appropriate month for the desired year. For example, for an observation made on February 6, 2015, the Julian date would be: 2457054 + 6 = 2457060. | Year | | Jan 0 | Feb 0 | Mar 0 | Apr 0 | May 0 | Jun 0 | Jul 0 | Aug 0 | Sep 0 | Oct 0 | Nov 0 | Dec 0 | | | | | | | | | | | | | | | | | 1996 | | 2450083 | 2450114 | 2450143 | 2450174 | 2450204 | 2450235 | 2450265 | 2450296 | 2450327 | 2450357 | 2450388 | 2450418 | | 1997 | | 2450449 | 2450480 | 2450508 | 2450539 | 2450569 | 2450600 | 2450630 | 2450661 | 2450692 | 2450722 | 2450753 | 2450783 | | 1998 | | 2450814 | 2450845 | 2450873 | 2450904 | 2450934 | 2450965 | 2450995 | 2451026 | 2451057 | 2451087 | 2451118 | 2451148 | | 1999 | | 2451179 | 2451210 | 2451238 | 2451269 | 2451299 | 2451330 | 2451360 | 2451391 | 2451422 | 2451452 | 2451483 | 2451513 | | 2000 | | 2451544 | 2451575 | 2451604 | 2451635 | 2451665 | 2451696 | 2451726 | 2451757 | 2451788 | 2451818 | 2451849 | 2451879 | | | | | | | | | | | | | | | | | 2001 | | 2451910 | 2451941 | 2451969 | 2452000 | 2452030 | 2452061 | 2452091 | 2452122 | 2452153 | 2452183 | 2452214 | 2452244 | | 2002 | | 2452275 | 2452306 | 2452334 | 2452365 | 2452395 | 2452426 | 2452456 | 2452487 | 2452518 | 2452548 | 2452579 | 2452609 | | 2003 | | 2452640 | 2452671 | 2452699 | 2452730 | 2452760 | 2452791 | 2452821 | 2452852 | 2452883 | 2452913 | 2452944 | 2452974 | | 2004 | | 2453005 | 2453036 | 2453065 | 2453096 | 2453126 | 2453157 | 2453187 | 2453218 | 2453249 | 2453279 | 2453310 | 2453340 | | 2005 | | 2453371 | 2453402 | 2453430 | 2453461 | 2453491 | 2453522 | 2453552 | 2453583 | 2453614 | 2453644 | 2453675 | 2453705 | | | | | | | | | | | | | | | | | 2006 | | 2453736 | 2453767 | 2453795 | 2453826 | 2453856 | 2453887 | 2453917 | 2453948 | 2453979 | 2454009 | 2454040 | 2454070 | | 2007 | | 2454101 | 2454132 | 2454160 | 2454191 | 2454221 | 2454252 | 2454282 | 2454313 | 2454344 | 2454374 | 2454405 | 2454435 | | 2008 | | 2454466 | 2454497 | 2454526 | 2454557 | 2454587 | 2454618 | 2454648 | 2454679 | 2454710 | 2454740 | 2454771 | 2454801 | | 2009 | | 2454832 | 2454863 | 2454891 | 2454922 | 2454952 | 2454983 | 2455013 | 2455044 | 2455075 | 2455105 | 2455136 | 2455166 | | 2010 | | 2455197 | 2455228 | 2455256 | 2455287 | 2455317 | 2455348 | 2455378 | 2455409 | 2455440 | 2455470 | 2455501 | 2455531 | | | | | | | | | | | | | | | | | 2011 | | 2455562 | 2455593 | 2455621 | 2455652 | 2455682 | 2455713 | 2455743 | 2455774 | 2455805 | 2455835 | 2455866 | 2455896 | | 2012 | | 2455927 | 2455958 | 2455987 | 2456018 | 2456048 | 2456079 | 2456109 | 2456140 | 2456171 | 2456201 | 2456232 | 2456262 | | 2013 | | 2456293 | 2456324 | 2456352 | 2456383 | 2456413 | 2456444 | 2456474 | 2456505 | 2456536 | 2456566 | 2456597 | 2456627 | | 2014 | | 2456658 | 2456689 | 2456717 | 2456748 | 2456778 | 2456809 | 2456839 | 2456870 | 2456901 | 2456931 | 2456962 | 2456992 | | 2015 | | 2457023 | 2457054 | 2457082 | 2457113 | 2457143 | 2457174 | 2457204 | 2457235 | 2457266 | 2457296 | 2457327 | 2457357 | | | | | | | | | | | | | | | | | 2016 | | 2457388 | 2457419 | 2457448 | 2457479 | 2457509 | 2457540 | 2457570 | 2457601 | 2457632 | 2457662 | 2457693 | 2457723 | | 2017 | | 2457754 | 2457785 | 2457813 | 2457844 | 2457874 | 2457905 | 2457935 | 2457966 | 2457997 | 2458027 | 2458058 | 2458088 | | 2018 | | 2458119 | 2458150 | 2458178 | 2458209 | 2458239 | 2458270 | 2458300 | 2458331 | 2458362 | 2458392 | 2458423 | 2458453 | | 2019 | | 2458484 | 2458515 | 2458543 | 2458574 | 2458604 | 2458635 | 2458665 | 2458696 | 2458727 | 2458757 | 2458788 | 2458818 | | 2020 | | 2458849 | 2458880 | 2458909 | 2458940 | 2458970 | 2459001 | 2459031 | 2459062 | 2459093 | 2459123 | 2459154 | 2459184 | | | | | | | | | | | | | | | | | 2021 | | 2459215 | 2459246 | 2459274 | 2459305 | 2459335 | 2459366 | 2459396 | 2459427 | 2459458 | 2459488 | 2459519 | 2459549 | | 2022 | | 2459580 | 2459611 | 2459639 | 2459670 | 2459700 | 2459731 | 2459761 | 2459792 | 2459823 | 2459853 | 2459884 | 2459914 | | 2023 | | 2459945 | 2459976 | 2460004 | 2460035 | 2460065 | 2460096 | 2460126 | 2460157 | 2460188 | 2460218 | 2460249 | 2460279 | | 2024 | | 2460310 | 2460341 | 2460370 | 2460401 | 2460431 | 2460462 | 2460492 | 2460523 | 2460554 | 2460584 | 2460615 | 2460645 | | 2025 | | 2460676 | 2460707 | 2460735 | 2460766 | 2460796 | 2460827 | 2460857 | 2460888 | 2460919 | 2460949 | 2460980 | 2461010 |
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