Historical note. Dates before the 1582 reform are shown on the Julian calendar. The astronomical positions are computed but approximate this far back β€” the lunar theory drifts by roughly a day across two millennia.
← β†’ ← Almanac
Blue moon in 1021: August 25 (second full moon of the month)
Full moon Full moon Sun, January 1 · 21:58 UT
Last quarter Last quarter Sun, January 8 · 23:35 UT
New moon New moon Sun, January 15 · 21:55 UT
First quarter First quarter Mon, January 23 · 20:02 UT
Full moon Full moon Tue, January 31 · 12:05 UT
Last quarter Last quarter Tue, February 7 · 07:06 UT
New moon New moon Tue, February 14 · 13:02 UT
First quarter First quarter Wed, February 22 · 16:14 UT
Full moon Full moon Wed, March 1 · 23:43 UT
Last quarter Last quarter Wed, March 8 · 14:47 UT
New moon New moon Thu, March 16 · 05:14 UT
First quarter First quarter Fri, March 24 · 09:23 UT
Full moon Full moon Fri, March 31 · 09:01 UT
Last quarter Last quarter Thu, April 6 · 23:41 UT
New moon New moon Fri, April 14 · 21:33 UT
First quarter First quarter Sat, April 22 · 22:55 UT
Full moon Full moon Sat, April 29 · 16:34 UT
Last quarter Last quarter Sat, May 6 · 10:35 UT
New moon New moon Sun, May 14 · 13:09 UT
First quarter First quarter Mon, May 22 · 08:57 UT
Full moon Full moon Sun, May 28 · 23:24 UT
Last quarter Last quarter Sun, June 4 · 23:49 UT
New moon New moon Tue, June 13 · 03:35 UT
First quarter First quarter Tue, June 20 · 16:05 UT
Full moon Full moon Tue, June 27 · 06:42 UT
Last quarter Last quarter Tue, July 4 · 15:18 UT
New moon New moon Wed, July 12 · 16:46 UT
First quarter First quarter Wed, July 19 · 21:23 UT
Full moon Full moon Wed, July 26 · 15:42 UT
Last quarter Last quarter Thu, August 3 · 08:35 UT
New moon New moon Fri, August 11 · 04:46 UT
First quarter First quarter Fri, August 18 · 02:14 UT
Full moon Full moon Fri, August 25 · 03:16 UT
Last quarter Last quarter Sat, September 2 · 03:00 UT
New moon New moon Sat, September 9 · 15:47 UT
First quarter First quarter Sat, September 16 · 08:13 UT
Full moon Full moon Sat, September 23 · 17:46 UT
Last quarter Last quarter Sun, October 1 · 21:38 UT
New moon New moon Mon, October 9 · 02:06 UT
First quarter First quarter Sun, October 15 · 16:47 UT
Full moon Full moon Mon, October 23 · 10:55 UT
Last quarter Last quarter Tue, October 31 · 15:15 UT
New moon New moon Tue, November 7 · 12:12 UT
First quarter First quarter Tue, November 14 · 04:55 UT
Full moon Full moon Wed, November 22 · 05:53 UT
Last quarter Last quarter Thu, November 30 · 06:33 UT
New moon New moon Wed, December 6 · 22:36 UT
First quarter First quarter Wed, December 13 · 20:46 UT
Full moon Full moon Fri, December 22 · 01:18 UT

The moon behind Easter

Easter is the first Sunday after the first full moon on or after the spring equinox β€” but the Church reckons this with a tabular ("ecclesiastical") moon and a fixed equinox of March 21, not the astronomical sky. The two usually agree to the day, but not always.

Ecclesiastical (computus)

Equinox (fixed)March 21

Paschal full moonApril 1

Golden number15

Full moon Astronomical

Nearest full moonMarch 31

Time09:01 UT

Difference 1 day

Easter 1021 falls on April 2, 1021.