Moon phases in May 2027

The full moon in May 2027 is the Flower Moon, on May 20, 2027 at 6:59 AM US Eastern time. Below: every main phase this month and the Moon each night at 9 pm.

New Moon
Thursday, May 6 at 6:59 AM EDT
First Quarter
Thursday, May 13 at 12:44 AM EDT
Full Moon · Flower Moon
Thursday, May 20 at 6:59 AM EDT
Last Quarter
Friday, May 28 at 9:58 AM EDT

The Moon each night in May 2027 (9 pm US Eastern)

Date	Phase	Lit
May 1	Waning Crescent	21%
May 2	Waning Crescent	13%
May 3	Waning Crescent	7%
May 4	Waning Crescent	3%
May 5	Waning Crescent	0%
May 6	New Moon	1%
May 7	Waxing Crescent	4%
May 8	Waxing Crescent	9%
May 9	Waxing Crescent	17%
May 10	Waxing Crescent	26%
May 11	Waxing Crescent	37%
May 12	Waxing Crescent	48%
May 13	First Quarter	60%
May 14	Waxing Gibbous	70%
May 15	Waxing Gibbous	80%
May 16	Waxing Gibbous	88%
May 17	Waxing Gibbous	94%
May 18	Waxing Gibbous	98%
May 19	Waxing Gibbous	100%
May 20	Full Moon	99%
May 21	Waning Gibbous	97%
May 22	Waning Gibbous	93%
May 23	Waning Gibbous	88%
May 24	Waning Gibbous	81%
May 25	Waning Gibbous	73%
May 26	Waning Gibbous	65%
May 27	Waning Gibbous	55%
May 28	Last Quarter	46%
May 29	Waning Crescent	36%
May 30	Waning Crescent	27%
May 31	Waning Crescent	18%

Keep that night

Turn it into a star map poster — the real stars and this exact Moon.

See my sky free

Questions

When is the full moon in May 2027?

May 20, 2027 at 6:59 AM US Eastern time — the Flower Moon.

What is the Flower Moon?

A traditional name for the full moon of this time of year, from North American and European folk calendars.

Are the times exact?

Yes — calculated with astronomy-engine, which is checked against NASA JPL data; the phase instant is accurate to about a minute.

Other months

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