May 2027 Moon Phase Calendar

Updated October 4, 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.

November 2027 Moon Phase Calendar — 13-month

Gregorian dates: November 5, 2027 – December 2, 2027.

Switching keeps the reference date, December 1, 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.

November 2027 — International Fixed Calendar, Eastern Time. Gregorian date shown below each day.
Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
147%November 5	256.4%November 6 First Quarter 3:59 a.m. EDT	366%November 7	474.7%November 8	582.6%November 9	689.4%November 10	794.8%November 11
898.4%November 12	999.8%November 13 Full Moon 10:25 p.m. EST	1098.9%November 14	1195.5%November 15	1289.7%November 16	1381.7%November 17	1472.1%November 18
1561.4%November 19	1650%November 20 Last Quarter 7:48 p.m. EST	1738.8%November 21	1828.2%November 22	1918.7%November 23	2011%November 24	215.2%November 25
221.5%November 26	230.2%November 27 New Moon 10:24 p.m. EST	241%November 28	253.8%November 29	268.4%November 30	2714.5%December 1	2821.8%December 2

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.

May 2027 Moon Phases — Exact Times

Principal lunar phases in May 2027, with Eastern and UTC civil dates
Phase	Date	Time (ET)	Time (UTC)	13 month date
New Moon	May 6, 2027	6:58 a.m. EDT	May 6, 2027 10:58 a.m. UTC	May 14, 2027
First Quarter	May 13, 2027	12:43 a.m. EDT	May 13, 2027 4:43 a.m. UTC	May 21, 2027
Full Moon	May 20, 2027	6:58 a.m. EDT	May 20, 2027 10:58 a.m. UTC	May 28, 2027
Last Quarter	May 28, 2027	9:57 a.m. EDT	May 28, 2027 1:57 p.m. UTC	June 8, 2027

Daily Moon Phase, Illumination, and Moonrise

Daily lunar conditions in May 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
May 1, 2027	Waning Crescent	21.4%	May 1, 2027, 3:22 a.m. EDT May 1, 2027, 7:22 a.m. UTC	May 9, 2027
May 2, 2027	Waning Crescent	13.7%	May 2, 2027, 3:44 a.m. EDT May 2, 2027, 7:44 a.m. UTC	May 10, 2027
May 3, 2027	Waning Crescent	7.4%	May 3, 2027, 4:06 a.m. EDT May 3, 2027, 8:06 a.m. UTC	May 11, 2027
May 4, 2027	New Moon	2.8%	May 4, 2027, 4:29 a.m. EDT May 4, 2027, 8:29 a.m. UTC	May 12, 2027
May 5, 2027	New Moon	0.5%	May 5, 2027, 4:57 a.m. EDT May 5, 2027, 8:57 a.m. UTC	May 13, 2027
May 6, 2027	New Moon	0.6%	May 6, 2027, 5:29 a.m. EDT May 6, 2027, 9:29 a.m. UTC	May 14, 2027
May 7, 2027	New Moon	3.3%	May 7, 2027, 6:11 a.m. EDT May 7, 2027, 10:11 a.m. UTC	May 15, 2027
May 8, 2027	Waxing Crescent	8.7%	May 8, 2027, 7:02 a.m. EDT May 8, 2027, 11:02 a.m. UTC	May 16, 2027
May 9, 2027	Waxing Crescent	16.3%	May 9, 2027, 8:05 a.m. EDT May 9, 2027, 12:05 p.m. UTC	May 17, 2027
May 10, 2027	Waxing Crescent	25.8%	May 10, 2027, 9:17 a.m. EDT May 10, 2027, 1:17 p.m. UTC	May 18, 2027
May 11, 2027	First Quarter	36.6%	May 11, 2027, 10:33 a.m. EDT May 11, 2027, 2:33 p.m. UTC	May 19, 2027
May 12, 2027	First Quarter	47.9%	May 12, 2027, 11:48 a.m. EDT May 12, 2027, 3:48 p.m. UTC	May 20, 2027
May 13, 2027	First Quarter	59.2%	May 13, 2027, 1:02 p.m. EDT May 13, 2027, 5:02 p.m. UTC	May 21, 2027
May 14, 2027	First Quarter	69.8%	May 14, 2027, 2:13 p.m. EDT May 14, 2027, 6:13 p.m. UTC	May 22, 2027
May 15, 2027	Waxing Gibbous	79.3%	May 15, 2027, 3:22 p.m. EDT May 15, 2027, 7:22 p.m. UTC	May 23, 2027
May 16, 2027	Waxing Gibbous	87.3%	May 16, 2027, 4:31 p.m. EDT May 16, 2027, 8:31 p.m. UTC	May 24, 2027
May 17, 2027	Waxing Gibbous	93.5%	May 17, 2027, 5:40 p.m. EDT May 17, 2027, 9:40 p.m. UTC	May 25, 2027
May 18, 2027	Full Moon	97.6%	May 18, 2027, 6:48 p.m. EDT May 18, 2027, 10:48 p.m. UTC	May 26, 2027
May 19, 2027	Full Moon	99.6%	May 19, 2027, 7:56 p.m. EDT May 19, 2027, 11:56 p.m. UTC	May 27, 2027
May 20, 2027	Full Moon	99.5%	May 20, 2027, 9:01 p.m. EDT May 21, 2027, 1:01 a.m. UTC	May 28, 2027
May 21, 2027	Full Moon	97.5%	May 21, 2027, 9:59 p.m. EDT May 22, 2027, 1:59 a.m. UTC	June 1, 2027
May 22, 2027	Waning Gibbous	93.7%	May 22, 2027, 10:50 p.m. EDT May 23, 2027, 2:50 a.m. UTC	June 2, 2027
May 23, 2027	Waning Gibbous	88.3%	May 23, 2027, 11:33 p.m. EDT May 24, 2027, 3:33 a.m. UTC	June 3, 2027
May 24, 2027	Waning Gibbous	81.6%	No moonrise on this Eastern calendar date	June 4, 2027
May 25, 2027	Waning Gibbous	73.7%	May 25, 2027, 12:08 a.m. EDT May 25, 2027, 4:08 a.m. UTC	June 5, 2027
May 26, 2027	Last Quarter	65%	May 26, 2027, 12:37 a.m. EDT May 26, 2027, 4:37 a.m. UTC	June 6, 2027
May 27, 2027	Last Quarter	55.7%	May 27, 2027, 1:02 a.m. EDT May 27, 2027, 5:02 a.m. UTC	June 7, 2027
May 28, 2027	Last Quarter	46.1%	May 28, 2027, 1:25 a.m. EDT May 28, 2027, 5:25 a.m. UTC	June 8, 2027
May 29, 2027	Last Quarter	36.3%	May 29, 2027, 1:46 a.m. EDT May 29, 2027, 5:46 a.m. UTC	June 9, 2027
May 30, 2027	Waning Crescent	26.9%	May 30, 2027, 2:07 a.m. EDT May 30, 2027, 6:07 a.m. UTC	June 10, 2027
May 31, 2027	Waning Crescent	18.2%	May 31, 2027, 2:29 a.m. EDT May 31, 2027, 6:29 a.m. UTC	June 11, 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.