Moon Phases and Lunar Calendar for , MT

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Moon Phase Calendar

, MT

What's the Moon's phase today? With our 2026 Moon Phase Calendar, you'll find the current Moon phase for tonight—plus, all the phases of the Moon for each day of the month.

December 2021

December 2021

SUN	MON	TUE	WED	THU	FRI	SAT
			1 🌕 Waning crescent 11.5% 27 days	2 🌕 Waning crescent 5.0% 28 days	3 🌕 Waning crescent 1.0% 29 days	4 🌒 New Moon 7:44 A.M. 0 days
5 🌒 Waxing crescent 2.1% 1 day	6 🌒 Waxing crescent 7.1% 2 days	7 🌒 Waxing crescent 14.4% 3 days	8 🌒 Waxing crescent 23.4% 4 days	9 🌒 Waxing crescent 33.4% 5 days	10 🌒 Waxing crescent 43.9% 6 days	11 🌓 First Quarter 1:37 A.M. 7 days
12 🌓 Waxing gibbous 64.2% 8 days	13 🌓 Waxing gibbous 73.4% 9 days	14 🌓 Waxing gibbous 81.4% 10 days	15 🌓 Waxing gibbous 88.3% 11 days	16 🌓 Waxing gibbous 93.7% 12 days	17 🌓 Waxing gibbous 97.5% 13 days	18 🌓 Waxing gibbous 99.6% 14 days
19 🌔 Full Cold Moon 4:37 A.M. 15 days	20 🌔 Waning gibbous 98.5% 16 days	21 🌔 Waning gibbous 95.2% 17 days	22 🌔 Waning gibbous 90.3% 18 days	23 🌔 Waning gibbous 83.7% 19 days	24 🌔 Waning gibbous 75.7% 20 days	25 🌔 Waning gibbous 66.5% 21 days
26 🌔 Waning gibbous 56.4% 22 days	27 🌕 Last Quarter 2:26 A.M. 23 days	28 🌕 Waning crescent 34.9% 24 days	29 🌕 Waning crescent 24.5% 25 days	30 🌕 Waning crescent 15.2% 26 days	31 🌕 Waning crescent 7.6% 27 days

Moon Phases for December 2021 for , MT

Moon Phase	Date	Time of Day
New Moon	December 4	7:44 A.M.
First Quarter	December 11	1:37 A.M.
Full Moon	December 19	4:37 A.M.
Last Quarter	December 27	2:26 A.M.

All times are in Time.

• We also highlight the date and time for the four main Moon phases—the New Moon, First Quarter, Full Moon, and Last Quarter Moon—as well as provide daily Moon illumination percentages and the Moon's current age.
• Unlike many tools, this Moon Phase Calendar is customized to YOUR zip code. No manual converting to your local time!
• Looking for past or future Moon Phases? Find your daily Moon Phase going back to 1970 and forward through 2037.

Related links:

• When is the Next Full Moon?
• Full Moon Names and Meanings
• Moonrise and Moonset Times