A complete lunar year

1931 Moon Calendar

49 major phase events: 12 New Moons, 13 Full Moons, and every quarter phase between them.

Major phases in 1931

Full MoonJanuary 4, 1931 at 1:15 PM UTC
Last QuarterJanuary 11, 1931 at 5:09 AM UTC
New MoonJanuary 18, 1931 at 6:36 PM UTC
First QuarterJanuary 27, 1931 at 12:06 AM UTC
Full MoonFebruary 3, 1931 at 12:26 AM UTC
Last QuarterFebruary 9, 1931 at 4:10 PM UTC
New MoonFebruary 17, 1931 at 1:11 PM UTC
First QuarterFebruary 25, 1931 at 4:42 PM UTC
Full MoonMarch 4, 1931 at 10:36 AM UTC
Last QuarterMarch 11, 1931 at 5:15 AM UTC
New MoonMarch 19, 1931 at 7:51 AM UTC
First QuarterMarch 27, 1931 at 5:04 AM UTC
Full MoonApril 2, 1931 at 8:05 PM UTC
Last QuarterApril 9, 1931 at 8:15 PM UTC
New MoonApril 18, 1931 at 1:00 AM UTC
First QuarterApril 25, 1931 at 1:40 PM UTC
Full MoonMay 2, 1931 at 5:14 AM UTC
Last QuarterMay 9, 1931 at 12:48 PM UTC
New MoonMay 17, 1931 at 3:28 PM UTC
First QuarterMay 24, 1931 at 7:39 PM UTC
Full MoonMay 31, 1931 at 2:33 PM UTC
Last QuarterJune 8, 1931 at 6:18 AM UTC
New MoonJune 16, 1931 at 3:02 AM UTC
First QuarterJune 23, 1931 at 12:23 AM UTC
Full MoonJune 30, 1931 at 12:47 AM UTC
Last QuarterJuly 7, 1931 at 11:52 PM UTC
New MoonJuly 15, 1931 at 12:20 PM UTC
First QuarterJuly 22, 1931 at 5:16 AM UTC
Full MoonJuly 29, 1931 at 12:48 PM UTC
Last QuarterAugust 6, 1931 at 4:28 PM UTC
New MoonAugust 13, 1931 at 8:27 PM UTC
First QuarterAugust 20, 1931 at 11:36 AM UTC
Full MoonAugust 28, 1931 at 3:10 AM UTC
Last QuarterSeptember 5, 1931 at 7:21 AM UTC
New MoonSeptember 12, 1931 at 4:26 AM UTC
First QuarterSeptember 18, 1931 at 8:37 PM UTC
Full MoonSeptember 26, 1931 at 7:45 PM UTC
Last QuarterOctober 4, 1931 at 8:15 PM UTC
New MoonOctober 11, 1931 at 1:06 PM UTC
First QuarterOctober 18, 1931 at 9:20 AM UTC
Full MoonOctober 26, 1931 at 1:34 PM UTC
Last QuarterNovember 3, 1931 at 7:18 AM UTC
New MoonNovember 9, 1931 at 10:55 PM UTC
First QuarterNovember 17, 1931 at 2:14 AM UTC
Full MoonNovember 25, 1931 at 7:10 AM UTC
Last QuarterDecember 2, 1931 at 4:51 PM UTC
New MoonDecember 9, 1931 at 10:16 AM UTC
First QuarterDecember 16, 1931 at 10:43 PM UTC
Full MoonDecember 24, 1931 at 11:24 PM UTC

What counts as a major phase?

New Moon, First Quarter, Full Moon, and Last Quarter are exact angular alignments separated by roughly one week. Crescent and gibbous phases describe the continuous intervals between those events.

Questions, answered

Frequently asked questions

How many Full Moons occur in a year?

This 1931 calendar contains 13. Most years contain twelve; some contain thirteen.

Why are event times in UTC?

UTC identifies one global instant without imposing a visitor location.

Can I select every day?

Yes. Open any month, then select a daily Moon icon for a detailed date result.