Moon calendar December 2021
In December 2021 the Moon is full on Dec 18 (the Cold Moon, a micromoon), and new on Dec 4, the darkest stretch of the month for stargazing.
The Moon each evening in December 2021
The Moon as seen at 9 p.m. Eastern Time each evening, with the share of its disk that is lit. Highlighted days have a main phase.
December 17%
December 22%
December 30%
December 41%
December 55%
December 611%
December 720%
December 829%
December 940%
December 1050%
December 1160%
December 1270%
December 1378%
December 1486%
December 1592%
December 1696%
December 1799%
December 18100%
December 1999%
December 2097%
December 2192%
December 2287%
December 2379%
December 2471%
December 2561%
December 2650%
December 2739%
December 2829%
December 2919%
December 3011%
December 314%
December 2021 moon phases in US time zones
| Phase | Eastern | Central | Mountain | Pacific | Alaska | Hawaii |
|---|---|---|---|---|---|---|
| New Moon | Dec 4, 2:43 AM | Dec 4, 1:43 AM | Dec 4, 12:43 AM | Dec 3, 11:43 PM | Dec 3, 10:43 PM | Dec 3, 9:43 PM |
| First Quarter | Dec 10, 8:36 PM | Dec 10, 7:36 PM | Dec 10, 6:36 PM | Dec 10, 5:36 PM | Dec 10, 4:36 PM | Dec 10, 3:36 PM |
| Full Moon Cold Moon | Dec 18, 11:36 PM | Dec 18, 10:36 PM | Dec 18, 9:36 PM | Dec 18, 8:36 PM | Dec 18, 7:36 PM | Dec 18, 6:36 PM |
| Last Quarter | Dec 26, 9:24 PM | Dec 26, 8:24 PM | Dec 26, 7:24 PM | Dec 26, 6:24 PM | Dec 26, 5:24 PM | Dec 26, 4:24 PM |
The Cold Moon is a micromoon, 405,924 km away (within 10% of the year's farthest). See how we define a supermoon.
Also in the sky in December 2021
- Perigee (closest): Dec 4, 5:05 AM ET, 356,787 km from Earth.
- Apogee (farthest): Dec 17, 9:16 PM ET, 406,309 km from Earth.
- Total solar eclipse, greatest Dec 4, 2:33 AM ET.
- Geminids peak: Dec 14, 2:07 AM ET.
- December solstice: Dec 21, 10:59 AM ET.
- Ursids peak: Dec 22, 10:37 AM ET.
← November 2021 All of 2021 January 2022 →
Looking for one date? See the Moon on any date, such as the day you were born. For moonrise and moonset where you live, open your city's tonight page.