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.

May 2027 Moon Phase Calendar — 13-month

Gregorian dates: April 23, 2027 – May 20, 2027.

Switching keeps the reference date, April 23, 2027. Weekday headings follow the fixed calendar, not Gregorian weekdays. Each month has four complete weeks; Sol sits between June and July. The detail tables below keep their stated Gregorian date ranges.

May 2027 — International Fixed Calendar, Eastern Time. Gregorian date shown below each day.
Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
190.1%April 23	283.5%April 24	375.8%April 25	467.2%April 26	558.1%April 27	648.7%April 28 Last Quarter 4:17 p.m. EDT	739.2%April 29
830%April 30	921.4%May 1	1013.7%May 2	117.4%May 3	122.8%May 4	130.5%May 5	140.6%May 6 New Moon 6:58 a.m. EDT
153.3%May 7	168.7%May 8	1716.3%May 9	1825.8%May 10	1936.6%May 11	2047.9%May 12	2159.2%May 13 First Quarter 12:43 a.m. EDT
2269.8%May 14	2379.3%May 15	2487.3%May 16	2593.5%May 17	2697.6%May 18	2799.6%May 19	2899.5%May 20 Full Moon 6:58 a.m. EDT

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.