May 2027 Moon Phase Calendar

Updated · 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.

Sol 2027 Moon Phase Calendar — 13-month

Gregorian dates: June 18, 2027 – July 15, 2027.

Switching keeps the reference date, June 18, 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.

Sol 2027 — International Fixed Calendar, Eastern Time. Gregorian date shown below each day.
SundayMondayTuesdayWednesdayThursdayFridaySaturday
Full Moon, 99.9% illuminated99.9%June 18 Full Moon 8:44 p.m. EDT Full Moon, 99.1% illuminated99.1%June 19 Full Moon, 96.5% illuminated96.5%June 20 Waning Gibbous, 92.2% illuminated92.2%June 21 Waning Gibbous, 86.4% illuminated86.4%June 22 Waning Gibbous, 79.3% illuminated79.3%June 23 Waning Gibbous, 71.1% illuminated71.1%June 24
Last Quarter, 62% illuminated62%June 25 Last Quarter, 52.2% illuminated52.2%June 26 Last Quarter, 42.1% illuminated42.1%June 27 Last Quarter 12:54 a.m. EDT Waning Crescent, 31.9% illuminated31.9%June 28 Waning Crescent, 22.3% illuminated22.3%June 29 Waning Crescent, 13.7% illuminated13.7%June 30 Waning Crescent, 6.7% illuminated6.7%July 1
New Moon, 2% illuminated2%July 2 New Moon, 0.1% illuminated0.1%July 3 New Moon 11:01 p.m. EDT New Moon, 1.2% illuminated1.2%July 4 Waxing Crescent, 5.3% illuminated5.3%July 5 Waxing Crescent, 12% illuminated12%July 6 Waxing Crescent, 20.8% illuminated20.8%July 7 Waxing Crescent, 30.9% illuminated30.9%July 8
First Quarter, 41.7% illuminated41.7%July 9 First Quarter, 52.5% illuminated52.5%July 10 First Quarter 2:38 p.m. EDT First Quarter, 62.9% illuminated62.9%July 11 Waxing Gibbous, 72.5% illuminated72.5%July 12 Waxing Gibbous, 81% illuminated81%July 13 Waxing Gibbous, 88.1% illuminated88.1%July 14 Waxing Gibbous, 93.6% illuminated93.6%July 15

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
PhaseDateTime (ET)Time (UTC)13 month date
New Moon6:58 a.m. EDT
10:58 a.m. UTC		May 14, 2027
First Quarter12:43 a.m. EDT
4:43 a.m. UTC		May 21, 2027
Full Moon6:58 a.m. EDT
10:58 a.m. UTC		May 28, 2027
Last Quarter9:57 a.m. EDT
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
DatePhase at 8 p.m. ETIlluminationNYC moonrise (ET / UTC)13 month date
Waning Crescent, 21.4% illuminatedWaning Crescent21.4%, 3:22 a.m. EDT
, 7:22 a.m. UTC		May 9, 2027
Waning Crescent, 13.7% illuminatedWaning Crescent13.7%, 3:44 a.m. EDT
, 7:44 a.m. UTC		May 10, 2027
Waning Crescent, 7.4% illuminatedWaning Crescent7.4%, 4:06 a.m. EDT
, 8:06 a.m. UTC		May 11, 2027
New Moon, 2.8% illuminatedNew Moon2.8%, 4:29 a.m. EDT
, 8:29 a.m. UTC		May 12, 2027
New Moon, 0.5% illuminatedNew Moon0.5%, 4:57 a.m. EDT
, 8:57 a.m. UTC		May 13, 2027
New Moon, 0.6% illuminatedNew Moon0.6%, 5:29 a.m. EDT
, 9:29 a.m. UTC		May 14, 2027
New Moon, 3.3% illuminatedNew Moon3.3%, 6:11 a.m. EDT
, 10:11 a.m. UTC		May 15, 2027
Waxing Crescent, 8.7% illuminatedWaxing Crescent8.7%, 7:02 a.m. EDT
, 11:02 a.m. UTC		May 16, 2027
Waxing Crescent, 16.3% illuminatedWaxing Crescent16.3%, 8:05 a.m. EDT
, 12:05 p.m. UTC		May 17, 2027
Waxing Crescent, 25.8% illuminatedWaxing Crescent25.8%, 9:17 a.m. EDT
, 1:17 p.m. UTC		May 18, 2027
First Quarter, 36.6% illuminatedFirst Quarter36.6%, 10:33 a.m. EDT
, 2:33 p.m. UTC		May 19, 2027
First Quarter, 47.9% illuminatedFirst Quarter47.9%, 11:48 a.m. EDT
, 3:48 p.m. UTC		May 20, 2027
First Quarter, 59.2% illuminatedFirst Quarter59.2%, 1:02 p.m. EDT
, 5:02 p.m. UTC		May 21, 2027
First Quarter, 69.8% illuminatedFirst Quarter69.8%, 2:13 p.m. EDT
, 6:13 p.m. UTC		May 22, 2027
Waxing Gibbous, 79.3% illuminatedWaxing Gibbous79.3%, 3:22 p.m. EDT
, 7:22 p.m. UTC		May 23, 2027
Waxing Gibbous, 87.3% illuminatedWaxing Gibbous87.3%, 4:31 p.m. EDT
, 8:31 p.m. UTC		May 24, 2027
Waxing Gibbous, 93.5% illuminatedWaxing Gibbous93.5%, 5:40 p.m. EDT
, 9:40 p.m. UTC		May 25, 2027
Full Moon, 97.6% illuminatedFull Moon97.6%, 6:48 p.m. EDT
, 10:48 p.m. UTC		May 26, 2027
Full Moon, 99.6% illuminatedFull Moon99.6%, 7:56 p.m. EDT
, 11:56 p.m. UTC		May 27, 2027
Full Moon, 99.5% illuminatedFull Moon99.5%, 9:01 p.m. EDT
, 1:01 a.m. UTC		May 28, 2027
Full Moon, 97.5% illuminatedFull Moon97.5%, 9:59 p.m. EDT
, 1:59 a.m. UTC		June 1, 2027
Waning Gibbous, 93.7% illuminatedWaning Gibbous93.7%, 10:50 p.m. EDT
, 2:50 a.m. UTC		June 2, 2027
Waning Gibbous, 88.3% illuminatedWaning Gibbous88.3%, 11:33 p.m. EDT
, 3:33 a.m. UTC		June 3, 2027
Waning Gibbous, 81.6% illuminatedWaning Gibbous81.6%No moonrise on this Eastern calendar dateJune 4, 2027
Waning Gibbous, 73.7% illuminatedWaning Gibbous73.7%, 12:08 a.m. EDT
, 4:08 a.m. UTC		June 5, 2027
Last Quarter, 65% illuminatedLast Quarter65%, 12:37 a.m. EDT
, 4:37 a.m. UTC		June 6, 2027
Last Quarter, 55.7% illuminatedLast Quarter55.7%, 1:02 a.m. EDT
, 5:02 a.m. UTC		June 7, 2027
Last Quarter, 46.1% illuminatedLast Quarter46.1%, 1:25 a.m. EDT
, 5:25 a.m. UTC		June 8, 2027
Last Quarter, 36.3% illuminatedLast Quarter36.3%, 1:46 a.m. EDT
, 5:46 a.m. UTC		June 9, 2027
Waning Crescent, 26.9% illuminatedWaning Crescent26.9%, 2:07 a.m. EDT
, 6:07 a.m. UTC		June 10, 2027
Waning Crescent, 18.2% illuminatedWaning Crescent18.2%, 2:29 a.m. EDT
, 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.