September 2026 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.

June 2027 Moon Phase Calendar — 13-month

Gregorian dates: May 21, 2027 – June 17, 2027.

Switching keeps the reference date, May 21, 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.

June 2027 — International Fixed Calendar, Eastern Time. Gregorian date shown below each day.
SundayMondayTuesdayWednesdayThursdayFridaySaturday
Full Moon, 97.5% illuminated97.5%May 21 Waning Gibbous, 93.7% illuminated93.7%May 22 Waning Gibbous, 88.3% illuminated88.3%May 23 Waning Gibbous, 81.6% illuminated81.6%May 24 Waning Gibbous, 73.7% illuminated73.7%May 25 Last Quarter, 65% illuminated65%May 26 Last Quarter, 55.7% illuminated55.7%May 27
Last Quarter, 46.1% illuminated46.1%May 28 Last Quarter 9:57 a.m. EDT Last Quarter, 36.3% illuminated36.3%May 29 Waning Crescent, 26.9% illuminated26.9%May 30 Waning Crescent, 18.2% illuminated18.2%May 31 Waning Crescent, 10.6% illuminated10.6%June 1 Waning Crescent, 4.7% illuminated4.7%June 2 New Moon, 1.1% illuminated1.1%June 3
New Moon, 0.2% illuminated0.2%June 4 New Moon 3:40 p.m. EDT New Moon, 2.1% illuminated2.1%June 5 Waxing Crescent, 6.9% illuminated6.9%June 6 Waxing Crescent, 14.1% illuminated14.1%June 7 Waxing Crescent, 23.4% illuminated23.4%June 8 First Quarter, 33.9% illuminated33.9%June 9 First Quarter, 45% illuminated45%June 10
First Quarter, 56.1% illuminated56.1%June 11 First Quarter 6:56 a.m. EDT First Quarter, 66.7% illuminated66.7%June 12 Waxing Gibbous, 76.2% illuminated76.2%June 13 Waxing Gibbous, 84.4% illuminated84.4%June 14 Waxing Gibbous, 91.1% illuminated91.1%June 15 Waxing Gibbous, 95.9% illuminated95.9%June 16 Full Moon, 98.8% illuminated98.8%June 17

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.

September 2026 Moon Phases — Exact Times

Principal lunar phases in September 2026, with Eastern and UTC civil dates
PhaseDateTime (ET)Time (UTC)13 month date
Last Quarter3:51 a.m. EDT
7:51 a.m. UTC		August 23, 2026
New Moon11:26 p.m. EDT
3:26 a.m. UTC		September 1, 2026
First Quarter4:43 p.m. EDT
8:43 p.m. UTC		September 9, 2026
Full Moon12:48 p.m. EDT
4:48 p.m. UTC		September 17, 2026

Daily Moon Phase, Illumination, and Moonrise

Daily lunar conditions in September 2026; phase and illumination sampled at 8:00 p.m. Eastern
DatePhase at 8 p.m. ETIlluminationNYC moonrise (ET / UTC)13 month date
Waning Gibbous, 75.3% illuminatedWaning Gibbous75.3%, 9:28 p.m. EDT
, 1:28 a.m. UTC		August 20, 2026
Last Quarter, 65% illuminatedLast Quarter65%, 10:03 p.m. EDT
, 2:03 a.m. UTC		August 21, 2026
Last Quarter, 53.9% illuminatedLast Quarter53.9%, 10:49 p.m. EDT
, 2:49 a.m. UTC		August 22, 2026
Last Quarter, 42.4% illuminatedLast Quarter42.4%, 11:45 p.m. EDT
, 3:45 a.m. UTC		August 23, 2026
Last Quarter, 31.3% illuminatedLast Quarter31.3%No moonrise on this Eastern calendar dateAugust 24, 2026
Waning Crescent, 21.1% illuminatedWaning Crescent21.1%, 12:52 a.m. EDT
, 4:52 a.m. UTC		August 25, 2026
Waning Crescent, 12.4% illuminatedWaning Crescent12.4%, 2:07 a.m. EDT
, 6:07 a.m. UTC		August 26, 2026
Waning Crescent, 5.8% illuminatedWaning Crescent5.8%, 3:24 a.m. EDT
, 7:24 a.m. UTC		August 27, 2026
New Moon, 1.7% illuminatedNew Moon1.7%, 4:40 a.m. EDT
, 8:40 a.m. UTC		August 28, 2026
New Moon, 0% illuminatedNew Moon0%, 5:53 a.m. EDT
, 9:53 a.m. UTC		September 1, 2026
New Moon, 0.9% illuminatedNew Moon0.9%, 7:04 a.m. EDT
, 11:04 a.m. UTC		September 2, 2026
New Moon, 4.1% illuminatedNew Moon4.1%, 8:13 a.m. EDT
, 12:13 p.m. UTC		September 3, 2026
Waxing Crescent, 9.3% illuminatedWaxing Crescent9.3%, 9:21 a.m. EDT
, 1:21 p.m. UTC		September 4, 2026
Waxing Crescent, 16% illuminatedWaxing Crescent16%, 10:28 a.m. EDT
, 2:28 p.m. UTC		September 5, 2026
Waxing Crescent, 24% illuminatedWaxing Crescent24%, 11:35 a.m. EDT
, 3:35 p.m. UTC		September 6, 2026
First Quarter, 32.7% illuminatedFirst Quarter32.7%, 12:39 p.m. EDT
, 4:39 p.m. UTC		September 7, 2026
First Quarter, 42% illuminatedFirst Quarter42%, 1:40 p.m. EDT
, 5:40 p.m. UTC		September 8, 2026
First Quarter, 51.4% illuminatedFirst Quarter51.4%, 2:35 p.m. EDT
, 6:35 p.m. UTC		September 9, 2026
First Quarter, 60.8% illuminatedFirst Quarter60.8%, 3:23 p.m. EDT
, 7:23 p.m. UTC		September 10, 2026
Waxing Gibbous, 69.9% illuminatedWaxing Gibbous69.9%, 4:03 p.m. EDT
, 8:03 p.m. UTC		September 11, 2026
Waxing Gibbous, 78.3% illuminatedWaxing Gibbous78.3%, 4:37 p.m. EDT
, 8:37 p.m. UTC		September 12, 2026
Waxing Gibbous, 85.8% illuminatedWaxing Gibbous85.8%, 5:05 p.m. EDT
, 9:05 p.m. UTC		September 13, 2026
Waxing Gibbous, 92.1% illuminatedWaxing Gibbous92.1%, 5:30 p.m. EDT
, 9:30 p.m. UTC		September 14, 2026
Full Moon, 96.7% illuminatedFull Moon96.7%, 5:53 p.m. EDT
, 9:53 p.m. UTC		September 15, 2026
Full Moon, 99.4% illuminatedFull Moon99.4%, 6:15 p.m. EDT
, 10:15 p.m. UTC		September 16, 2026
Full Moon, 99.8% illuminatedFull Moon99.8%, 6:37 p.m. EDT
, 10:37 p.m. UTC		September 17, 2026
Full Moon, 97.8% illuminatedFull Moon97.8%, 7:02 p.m. EDT
, 11:02 p.m. UTC		September 18, 2026
Waning Gibbous, 93.4% illuminatedWaning Gibbous93.4%, 7:30 p.m. EDT
, 11:30 p.m. UTC		September 19, 2026
Waning Gibbous, 86.6% illuminatedWaning Gibbous86.6%, 8:04 p.m. EDT
, 12:04 a.m. UTC		September 20, 2026
Waning Gibbous, 77.9% illuminatedWaning Gibbous77.9%, 8:47 p.m. EDT
, 12:47 a.m. UTC		September 21, 2026

“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.