A complete lunar year

1666 Moon Calendar

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

January

New Moon 5 · First Quarter 13 · Full Moon 20 · Last Quarter 27

February

New Moon 4 · First Quarter 12 · Full Moon 19 · Last Quarter 25

March

New Moon 5 · First Quarter 13 · Full Moon 20 · Last Quarter 27

April

New Moon 4 · First Quarter 12 · Full Moon 19 · Last Quarter 26

May

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

June

New Moon 2 · First Quarter 10 · Full Moon 16 · Last Quarter 24

July

New Moon 2 · First Quarter 9 · Full Moon 16 · Last Quarter 24 · New Moon 31

August

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

September

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

October

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

November

First Quarter 3 · Full Moon 11 · Last Quarter 19 · New Moon 26

December

First Quarter 3 · Full Moon 11 · Last Quarter 19 · New Moon 25

Major phases in 1666

New MoonJanuary 5, 1666 at 8:59 AM UTC

First QuarterJanuary 13, 1666 at 11:29 AM UTC

Full MoonJanuary 20, 1666 at 9:23 PM UTC

Last QuarterJanuary 27, 1666 at 1:08 PM UTC

New MoonFebruary 4, 1666 at 2:23 AM UTC

First QuarterFebruary 12, 1666 at 7:07 AM UTC

Full MoonFebruary 19, 1666 at 8:36 AM UTC

Last QuarterFebruary 25, 1666 at 11:19 PM UTC

New MoonMarch 5, 1666 at 8:30 PM UTC

First QuarterMarch 13, 1666 at 11:21 PM UTC

Full MoonMarch 20, 1666 at 6:01 PM UTC

Last QuarterMarch 27, 1666 at 11:38 AM UTC

New MoonApril 4, 1666 at 2:00 PM UTC

First QuarterApril 12, 1666 at 11:31 AM UTC

Full MoonApril 19, 1666 at 2:17 AM UTC

Last QuarterApril 26, 1666 at 1:57 AM UTC

New MoonMay 4, 1666 at 5:58 AM UTC

First QuarterMay 11, 1666 at 7:54 PM UTC

Full MoonMay 18, 1666 at 10:20 AM UTC

Last QuarterMay 25, 1666 at 5:48 PM UTC

New MoonJune 2, 1666 at 7:56 PM UTC

First QuarterJune 10, 1666 at 1:29 AM UTC

Full MoonJune 16, 1666 at 7:10 PM UTC

Last QuarterJune 24, 1666 at 10:36 AM UTC

New MoonJuly 2, 1666 at 7:47 AM UTC

First QuarterJuly 9, 1666 at 5:45 AM UTC

Full MoonJuly 16, 1666 at 5:32 AM UTC

Last QuarterJuly 24, 1666 at 3:48 AM UTC

New MoonJuly 31, 1666 at 5:44 PM UTC

First QuarterAugust 7, 1666 at 10:22 AM UTC

Full MoonAugust 14, 1666 at 5:58 PM UTC

Last QuarterAugust 22, 1666 at 8:49 PM UTC

New MoonAugust 30, 1666 at 2:25 AM UTC

First QuarterSeptember 5, 1666 at 4:56 PM UTC

Full MoonSeptember 13, 1666 at 8:41 AM UTC

Last QuarterSeptember 21, 1666 at 12:52 PM UTC

New MoonSeptember 28, 1666 at 10:46 AM UTC

First QuarterOctober 5, 1666 at 2:41 AM UTC

Full MoonOctober 13, 1666 at 1:35 AM UTC

Last QuarterOctober 21, 1666 at 3:09 AM UTC

New MoonOctober 27, 1666 at 7:44 PM UTC

First QuarterNovember 3, 1666 at 4:19 PM UTC

Full MoonNovember 11, 1666 at 7:56 PM UTC

Last QuarterNovember 19, 1666 at 3:11 PM UTC

New MoonNovember 26, 1666 at 6:05 AM UTC

First QuarterDecember 3, 1666 at 9:47 AM UTC

Full MoonDecember 11, 1666 at 2:27 PM UTC

Last QuarterDecember 19, 1666 at 1:01 AM UTC

New MoonDecember 25, 1666 at 6:06 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 1666 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.