October 2027 Moon Phase Calendar

Updated October 3, 2026 · Daily moon data sampled at 8:00 p.m. Eastern Time (UTC shown where relevant)

The daily phase and illumination below are sampled at 8:00 p.m. Eastern Time. Principal phases are exact astronomical instants. Moonrise is for New York City and may occur on a different local date elsewhere.

August 2026 Moon Phase Calendar — Gregorian

Gregorian dates: August 1, 2026 – August 31, 2026.

Switching keeps the reference date, August 13, 2026. Weekday headings follow the Gregorian calendar. 13-month dates appear below each day. The detail tables below keep their stated Gregorian date ranges.

Moon phases for August 2026, Eastern Time. 13 month calendar date shown in the center of each day.
Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
						188.8%Jul 17
281.4%Jul 18	372.5%Jul 19	462.3%Jul 20	551.2%Jul 21 Last Quarter 10:21 p.m. EDT	639.9%Jul 22	728.9%Jul 23	818.9%Jul 24
910.5%Jul 25	104.3%Jul 26	110.8%Jul 27	120.1%Jul 28 New Moon 1:36 p.m. EDT	132.2%Aug 1	146.6%Aug 2	1513.1%Aug 3
1621%Aug 4	1729.9%Aug 5	1839.3%Aug 6	1949%Aug 7 First Quarter 10:46 p.m. EDT	2058.5%Aug 8	2167.7%Aug 9	2276.2%Aug 10
2383.8%Aug 11	2490.2%Aug 12	2595.2%Aug 13	2698.6%Aug 14	27100%Aug 15	2899.3%Aug 16 Full Moon 12:18 a.m. EDT	2996.4%Aug 17
3091.3%Aug 18	3184.2%Aug 19

Daily phase names group the cycle into eight broad phase sectors, using progress between exact astronomical events. They describe the 8 p.m. Eastern sample, not the instant of a new moon, quarter moon, or full moon. The tables list those exact principal-phase instants separately.

October 2027 Moon Phases — Exact Times

Principal lunar phases in October 2027, with Eastern and UTC civil dates
Phase	Date	Time (ET)	Time (UTC)	13 month date
First Quarter	October 7, 2027	7:47 a.m. EDT	October 7, 2027 11:47 a.m. UTC	September 28, 2027
Full Moon	October 15, 2027	9:46 a.m. EDT	October 15, 2027 1:46 p.m. UTC	October 8, 2027
Last Quarter	October 22, 2027	1:29 p.m. EDT	October 22, 2027 5:29 p.m. UTC	October 15, 2027
New Moon	October 29, 2027	9:36 a.m. EDT	October 29, 2027 1:36 p.m. UTC	October 22, 2027

Daily Moon Phase, Illumination, and Moonrise

Daily lunar conditions in October 2027; phase and illumination sampled at 8:00 p.m. Eastern
Date	Phase at 8 p.m. ET	Illumination	NYC moonrise (ET / UTC)	13 month date
October 1, 2027	Waxing Crescent	4.9%	October 1, 2027, 8:46 a.m. EDT October 1, 2027, 12:46 p.m. UTC	September 22, 2027
October 2, 2027	Waxing Crescent	10.7%	October 2, 2027, 9:59 a.m. EDT October 2, 2027, 1:59 p.m. UTC	September 23, 2027
October 3, 2027	Waxing Crescent	18.1%	October 3, 2027, 11:10 a.m. EDT October 3, 2027, 3:10 p.m. UTC	September 24, 2027
October 4, 2027	Waxing Crescent	26.6%	October 4, 2027, 12:15 p.m. EDT October 4, 2027, 4:15 p.m. UTC	September 25, 2027
October 5, 2027	First Quarter	35.8%	October 5, 2027, 1:13 p.m. EDT October 5, 2027, 5:13 p.m. UTC	September 26, 2027
October 6, 2027	First Quarter	45.4%	October 6, 2027, 2:02 p.m. EDT October 6, 2027, 6:02 p.m. UTC	September 27, 2027
October 7, 2027	First Quarter	55%	October 7, 2027, 2:42 p.m. EDT October 7, 2027, 6:42 p.m. UTC	September 28, 2027
October 8, 2027	First Quarter	64.2%	October 8, 2027, 3:16 p.m. EDT October 8, 2027, 7:16 p.m. UTC	October 1, 2027
October 9, 2027	Waxing Gibbous	73%	October 9, 2027, 3:44 p.m. EDT October 9, 2027, 7:44 p.m. UTC	October 2, 2027
October 10, 2027	Waxing Gibbous	80.9%	October 10, 2027, 4:08 p.m. EDT October 10, 2027, 8:08 p.m. UTC	October 3, 2027
October 11, 2027	Waxing Gibbous	87.8%	October 11, 2027, 4:30 p.m. EDT October 11, 2027, 8:30 p.m. UTC	October 4, 2027
October 12, 2027	Waxing Gibbous	93.3%	October 12, 2027, 4:51 p.m. EDT October 12, 2027, 8:51 p.m. UTC	October 5, 2027
October 13, 2027	Full Moon	97.3%	October 13, 2027, 5:13 p.m. EDT October 13, 2027, 9:13 p.m. UTC	October 6, 2027
October 14, 2027	Full Moon	99.5%	October 14, 2027, 5:35 p.m. EDT October 14, 2027, 9:35 p.m. UTC	October 7, 2027
October 15, 2027	Full Moon	99.6%	October 15, 2027, 6:01 p.m. EDT October 15, 2027, 10:01 p.m. UTC	October 8, 2027
October 16, 2027	Full Moon	97.6%	October 16, 2027, 6:31 p.m. EDT October 16, 2027, 10:31 p.m. UTC	October 9, 2027
October 17, 2027	Waning Gibbous	93.4%	October 17, 2027, 7:07 p.m. EDT October 17, 2027, 11:07 p.m. UTC	October 10, 2027
October 18, 2027	Waning Gibbous	87.1%	October 18, 2027, 7:52 p.m. EDT October 18, 2027, 11:52 p.m. UTC	October 11, 2027
October 19, 2027	Waning Gibbous	78.9%	October 19, 2027, 8:46 p.m. EDT October 20, 2027, 12:46 a.m. UTC	October 12, 2027
October 20, 2027	Last Quarter	69.2%	October 20, 2027, 9:51 p.m. EDT October 21, 2027, 1:51 a.m. UTC	October 13, 2027
October 21, 2027	Last Quarter	58.4%	October 21, 2027, 11:02 p.m. EDT October 22, 2027, 3:02 a.m. UTC	October 14, 2027
October 22, 2027	Last Quarter	47%	No moonrise on this Eastern calendar date	October 15, 2027
October 23, 2027	Last Quarter	35.8%	October 23, 2027, 12:16 a.m. EDT October 23, 2027, 4:16 a.m. UTC	October 16, 2027
October 24, 2027	Waning Crescent	25.2%	October 24, 2027, 1:31 a.m. EDT October 24, 2027, 5:31 a.m. UTC	October 17, 2027
October 25, 2027	Waning Crescent	15.9%	October 25, 2027, 2:45 a.m. EDT October 25, 2027, 6:45 a.m. UTC	October 18, 2027
October 26, 2027	Waning Crescent	8.5%	October 26, 2027, 3:58 a.m. EDT October 26, 2027, 7:58 a.m. UTC	October 19, 2027
October 27, 2027	New Moon	3.3%	October 27, 2027, 5:10 a.m. EDT October 27, 2027, 9:10 a.m. UTC	October 20, 2027
October 28, 2027	New Moon	0.6%	October 28, 2027, 6:23 a.m. EDT October 28, 2027, 10:23 a.m. UTC	October 21, 2027
October 29, 2027	New Moon	0.4%	October 29, 2027, 7:36 a.m. EDT October 29, 2027, 11:36 a.m. UTC	October 22, 2027
October 30, 2027	New Moon	2.6%	October 30, 2027, 8:48 a.m. EDT October 30, 2027, 12:48 p.m. UTC	October 23, 2027
October 31, 2027	Waxing Crescent	6.9%	October 31, 2027, 9:57 a.m. EDT October 31, 2027, 1:57 p.m. UTC	October 24, 2027

“No moonrise” means no rise occurs during that midnight-to-midnight Eastern calendar date at the New York City observer location; it does not mean the moon never rises.