Vernal Equinox

Dates and Times of Day
each year for 1096 years
1452 - 2547

Listed for four time zones and in two calendars




Spring Equinox 1452 - 1811

Spring Equinox 1788 - 2211

Spring Equinox 2188 - 2547
 
From 1452 to 2547: 
the  earliest spring equinox is March 19, 2496, at 12:28 pm U.T.
                                                    8:28 am A.S.T.
                                                    7:28 am E.S.T.
                                                    4:28 am P.S.T.

and the latest spring equinox is March 21, 1503, at 8:42 pm U.T. 
                                                    4:42 pm A.S.T.
                                                    3:42 pm E.S.T.
                                                   12:42 pm P.S.T.





There is a remarkable pattern in the dates and times of day of the Spring Equinox, but this pattern is almost impossible to discern by reading the columns of numbers which record these dates and times. The pattern becomes plain when you look at a graph showing the dates and times. The graph is plotted with calendar years along the horizontal axis and, along the vertical axis, time of day and day of March at which the equinox occurs in each year.

A small sample of a graph like this is shown below. This sample is for the Autumn Equinox, but the pattern for the Spring Equinox is the same (with different dates and times of course). This sample was scanned in March 2001 from part of a paper graph made in 1988, using an Amiga 2000 computer and an Epson L-1000 pin matrix printer. The graph measures 120 × 35&#160cm, and shows the date and time of the Autumn Equinox for each year from 1787 to 2212. In this scanned sample, the heavy black text was superimposed to identify axis positions which, in the original, lie outside the scanned area.

Time of Autumn Equinox, 2010 to 2120





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Month  Views 
2000
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2001
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2002
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2003
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2004
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2005
January 689  354
February 1,534  806
March 10,216  2,680 3,091
April 871  264 261
May 399  105 163
June 235  398  122 163
July 262  251  97 88
August 307  320  79 155
September 704  623  163 301
October 386  360  109 180
November 314  347  89 214
December 502  505  169 238
Sources
2000-2001: http://us.geocities.yahoo.com/stats

2003-2004: http://http://us.1.p.webhosting.yahoo.com/stats





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