When is the full moon in May 2027?

The full moon (the “Flower Moon”) is on May 20, 2027 at 10:59 UTC.

When is the new moon in May 2027?

The new moon is on May 6, 2027 at 10:59 UTC.

What do the percentages mean?

The illuminated fraction of the Moon’s visible disc at 12:00 UTC that day, computed from real ephemerides (astronomy-engine).

Space Time

Moon Phases: May 2027

The Flower Moon is full on May 20, 2027. Every day’s phase is below, computed from real ephemerides, and you can watch any night in 3D.

▶ Watch the Flower Moon in 3D Free · real ephemerides · no install

May 2027 phase calendar

Sun

Mon

Tue

Wed

Thu

Fri

Sat

🌘

26%

🌘

17%

🌘

10%

🌘

🌑

🌒

12%

🌒

21%

🌒

31%

🌓

42%

🌓

54%

🌔

65%

🌔

75%

🌔

84%

🌔

91%

🌔

96%

🌔

99%

🌕

100%

🌖

99%

🌖

96%

🌖

91%

🌖

85%

🌖

78%

🌖

69%

🌖

60%

🌗

51%

🌗

41%

🌘

32%

🌘

22%

Calendar days in UTC; the phase shown is at 12:00 UTC each day.

Exact times

🌑New Moon2027-05-06 10:59 UTC
🌓First Quarter2027-05-13 04:44 UTC
🌕Full Moon “Flower Moon”2027-05-20 10:59 UTC
🌗Last Quarter2027-05-28 13:58 UTC

Times in UTC (shown in your timezone when JavaScript is on).

← April 2027 All months June 2027 →

See it, don’t just read it

Space Time is a free in-browser planetarium. Jump the clock to any date above and the Moon shows that exact phase, or stand on the Moon itself and watch the Earth. Open the app.