A complete lunar year

1638 Moon Calendar

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

January

Last Quarter 7 · New Moon 15 · First Quarter 23 · Full Moon 29

February

Last Quarter 5 · New Moon 14 · First Quarter 21 · Full Moon 28

March

Last Quarter 7 · New Moon 15 · First Quarter 23 · Full Moon 29

April

Last Quarter 6 · New Moon 14 · First Quarter 21 · Full Moon 28

May

Last Quarter 6 · New Moon 13 · First Quarter 20 · Full Moon 27

June

Last Quarter 4 · New Moon 12 · First Quarter 18 · Full Moon 26

July

Last Quarter 4 · New Moon 11 · First Quarter 18 · Full Moon 25

August

Last Quarter 2 · New Moon 9 · First Quarter 16 · Full Moon 24

September

Last Quarter 1 · New Moon 8 · First Quarter 15 · Full Moon 23 · Last Quarter 30

October

New Moon 7 · First Quarter 14 · Full Moon 22 · Last Quarter 30

November

New Moon 5 · First Quarter 13 · Full Moon 21 · Last Quarter 28

December

New Moon 5 · First Quarter 13 · Full Moon 21 · Last Quarter 27

Major phases in 1638

Last QuarterJanuary 7, 1638 at 4:09 AM UTC

New MoonJanuary 15, 1638 at 5:01 AM UTC

First QuarterJanuary 23, 1638 at 5:38 AM UTC

Full MoonJanuary 29, 1638 at 10:29 PM UTC

Last QuarterFebruary 5, 1638 at 7:15 PM UTC

New MoonFebruary 14, 1638 at 12:23 AM UTC

First QuarterFebruary 21, 1638 at 5:27 PM UTC

Full MoonFebruary 28, 1638 at 8:55 AM UTC

Last QuarterMarch 7, 1638 at 12:53 PM UTC

New MoonMarch 15, 1638 at 5:27 PM UTC

First QuarterMarch 23, 1638 at 2:07 AM UTC

Full MoonMarch 29, 1638 at 7:09 PM UTC

Last QuarterApril 6, 1638 at 7:53 AM UTC

New MoonApril 14, 1638 at 7:27 AM UTC

First QuarterApril 21, 1638 at 8:28 AM UTC

Full MoonApril 28, 1638 at 5:51 AM UTC

Last QuarterMay 6, 1638 at 2:44 AM UTC

New MoonMay 13, 1638 at 6:37 PM UTC

First QuarterMay 20, 1638 at 1:39 PM UTC

Full MoonMay 27, 1638 at 5:46 PM UTC

Last QuarterJune 4, 1638 at 8:02 PM UTC

New MoonJune 12, 1638 at 3:39 AM UTC

First QuarterJune 18, 1638 at 7:01 PM UTC

Full MoonJune 26, 1638 at 7:17 AM UTC

Last QuarterJuly 4, 1638 at 11:07 AM UTC

New MoonJuly 11, 1638 at 11:21 AM UTC

First QuarterJuly 18, 1638 at 1:58 AM UTC

Full MoonJuly 25, 1638 at 10:14 PM UTC

Last QuarterAugust 2, 1638 at 11:53 PM UTC

New MoonAugust 9, 1638 at 6:31 PM UTC

First QuarterAugust 16, 1638 at 11:51 AM UTC

Full MoonAugust 24, 1638 at 2:02 PM UTC

Last QuarterSeptember 1, 1638 at 10:36 AM UTC

New MoonSeptember 8, 1638 at 2:03 AM UTC

First QuarterSeptember 15, 1638 at 1:32 AM UTC

Full MoonSeptember 23, 1638 at 5:58 AM UTC

Last QuarterSeptember 30, 1638 at 7:38 PM UTC

New MoonOctober 7, 1638 at 10:57 AM UTC

First QuarterOctober 14, 1638 at 7:05 PM UTC

Full MoonOctober 22, 1638 at 9:32 PM UTC

Last QuarterOctober 30, 1638 at 3:30 AM UTC

New MoonNovember 5, 1638 at 10:11 PM UTC

First QuarterNovember 13, 1638 at 3:32 PM UTC

Full MoonNovember 21, 1638 at 12:20 PM UTC

Last QuarterNovember 28, 1638 at 11:00 AM UTC

New MoonDecember 5, 1638 at 12:20 PM UTC

First QuarterDecember 13, 1638 at 1:06 PM UTC

Full MoonDecember 21, 1638 at 2:00 AM UTC

Last QuarterDecember 27, 1638 at 7:07 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 1638 calendar contains 12. 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.