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.

January 2027 Moon Phase Calendar — Gregorian

Gregorian dates: January 1, 2027 – January 31, 2027.

Switching keeps the reference date, January 1, 2027. Weekday headings follow the Gregorian calendar. 13-month dates appear below each day. The detail tables below keep their stated Gregorian date ranges.

Moon phases for January 2027, Eastern Time. 13 month calendar date shown in the center of each day.
SundayMondayTuesdayWednesdayThursdayFridaySaturday
Waning Crescent, 28.1% illuminated28.1%Jan 1 Waning Crescent, 19.7% illuminated19.7%Jan 2
Waning Crescent, 12.7% illuminated12.7%Jan 3 Waning Crescent, 7.1% illuminated7.1%Jan 4 New Moon, 3% illuminated3%Jan 5 New Moon, 0.7% illuminated0.7%Jan 6 New Moon, 0.1% illuminated0.1%Jan 7 New Moon 3:24 p.m. EST New Moon, 1.3% illuminated1.3%Jan 8 Waxing Crescent, 4.2% illuminated4.2%Jan 9
Waxing Crescent, 8.9% illuminated8.9%Jan 10 Waxing Crescent, 15.1% illuminated15.1%Jan 11 Waxing Crescent, 22.8% illuminated22.8%Jan 12 First Quarter, 31.7% illuminated31.7%Jan 13 First Quarter, 41.6% illuminated41.6%Jan 14 First Quarter, 52.1% illuminated52.1%Jan 15 First Quarter 3:34 p.m. EST First Quarter, 62.9% illuminated62.9%Jan 16
Waxing Gibbous, 73.3% illuminated73.3%Jan 17 Waxing Gibbous, 82.9% illuminated82.9%Jan 18 Waxing Gibbous, 90.9% illuminated90.9%Jan 19 Full Moon, 96.6% illuminated96.6%Jan 20 Full Moon, 99.6% illuminated99.6%Jan 21 Full Moon, 99.6% illuminated99.6%Jan 22 Full Moon 7:17 a.m. EST Full Moon, 96.6% illuminated96.6%Jan 23
Waning Gibbous, 91% illuminated91%Jan 24 Waning Gibbous, 83.3% illuminated83.3%Jan 25 Waning Gibbous, 74.3% illuminated74.3%Jan 26 Last Quarter, 64.4% illuminated64.4%Jan 27 Last Quarter, 54.3% illuminated54.3%Jan 28 Last Quarter, 44.3% illuminated44.3%Feb 1 Last Quarter 5:55 a.m. EST Last Quarter, 34.8% illuminated34.8%Feb 2
Waning Crescent, 26% illuminated26%Feb 3

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.