October 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.

September 2026 Moon Phase Calendar — 13-month

Gregorian dates: September 10, 2026 – October 7, 2026.

Switching keeps the reference date, October 1, 2026. 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.

September 2026 — International Fixed Calendar, Eastern Time. Gregorian date shown below each day.
SundayMondayTuesdayWednesdayThursdayFridaySaturday
New Moon, 0% illuminated0%September 10 New Moon 11:26 p.m. EDT New Moon, 0.9% illuminated0.9%September 11 New Moon, 4.1% illuminated4.1%September 12 Waxing Crescent, 9.3% illuminated9.3%September 13 Waxing Crescent, 16% illuminated16%September 14 Waxing Crescent, 24% illuminated24%September 15 First Quarter, 32.7% illuminated32.7%September 16
First Quarter, 42% illuminated42%September 17 First Quarter, 51.4% illuminated51.4%September 18 First Quarter 4:43 p.m. EDT First Quarter, 60.8% illuminated60.8%September 19 Waxing Gibbous, 69.9% illuminated69.9%September 20 Waxing Gibbous, 78.3% illuminated78.3%September 21 Waxing Gibbous, 85.8% illuminated85.8%September 22 Waxing Gibbous, 92.1% illuminated92.1%September 23
Full Moon, 96.7% illuminated96.7%September 24 Full Moon, 99.4% illuminated99.4%September 25 Full Moon, 99.8% illuminated99.8%September 26 Full Moon 12:48 p.m. EDT Full Moon, 97.8% illuminated97.8%September 27 Waning Gibbous, 93.4% illuminated93.4%September 28 Waning Gibbous, 86.6% illuminated86.6%September 29 Waning Gibbous, 77.9% illuminated77.9%September 30
Last Quarter, 67.7% illuminated67.7%October 1 Last Quarter, 56.5% illuminated56.5%October 2 Last Quarter, 45.1% illuminated45.1%October 3 Last Quarter 9:24 a.m. EDT Last Quarter, 34% illuminated34%October 4 Waning Crescent, 23.7% illuminated23.7%October 5 Waning Crescent, 15% illuminated15%October 6 Waning Crescent, 8% illuminated8%October 7

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.

October 2026 Moon Phases — Exact Times

Principal lunar phases in October 2026, with Eastern and UTC civil dates
PhaseDateTime (ET)Time (UTC)13 month date
Last Quarter9:24 a.m. EDT
1:24 p.m. UTC		September 24, 2026
New Moon11:50 a.m. EDT
3:50 p.m. UTC		October 3, 2026
First Quarter12:12 p.m. EDT
4:12 p.m. UTC		October 11, 2026
Full Moon12:11 a.m. EDT
4:11 a.m. UTC		October 19, 2026

Daily Moon Phase, Illumination, and Moonrise

Daily lunar conditions in October 2026; phase and illumination sampled at 8:00 p.m. Eastern
DatePhase at 8 p.m. ETIlluminationNYC moonrise (ET / UTC)13 month date
Last Quarter, 67.7% illuminatedLast Quarter67.7%, 9:40 p.m. EDT
, 1:40 a.m. UTC		September 22, 2026
Last Quarter, 56.5% illuminatedLast Quarter56.5%, 10:44 p.m. EDT
, 2:44 a.m. UTC		September 23, 2026
Last Quarter, 45.1% illuminatedLast Quarter45.1%, 11:56 p.m. EDT
, 3:56 a.m. UTC		September 24, 2026
Last Quarter, 34% illuminatedLast Quarter34%No moonrise on this Eastern calendar dateSeptember 25, 2026
Waning Crescent, 23.7% illuminatedWaning Crescent23.7%, 1:11 a.m. EDT
, 5:11 a.m. UTC		September 26, 2026
Waning Crescent, 15% illuminatedWaning Crescent15%, 2:26 a.m. EDT
, 6:26 a.m. UTC		September 27, 2026
Waning Crescent, 8% illuminatedWaning Crescent8%, 3:38 a.m. EDT
, 7:38 a.m. UTC		September 28, 2026
New Moon, 3.1% illuminatedNew Moon3.1%, 4:48 a.m. EDT
, 8:48 a.m. UTC		October 1, 2026
New Moon, 0.6% illuminatedNew Moon0.6%, 5:56 a.m. EDT
, 9:56 a.m. UTC		October 2, 2026
New Moon, 0.3% illuminatedNew Moon0.3%, 7:04 a.m. EDT
, 11:04 a.m. UTC		October 3, 2026
New Moon, 2.1% illuminatedNew Moon2.1%, 8:11 a.m. EDT
, 12:11 p.m. UTC		October 4, 2026
Waxing Crescent, 5.8% illuminatedWaxing Crescent5.8%, 9:18 a.m. EDT
, 1:18 p.m. UTC		October 5, 2026
Waxing Crescent, 11.2% illuminatedWaxing Crescent11.2%, 10:24 a.m. EDT
, 2:24 p.m. UTC		October 6, 2026
Waxing Crescent, 18% illuminatedWaxing Crescent18%, 11:27 a.m. EDT
, 3:27 p.m. UTC		October 7, 2026
Waxing Crescent, 25.9% illuminatedWaxing Crescent25.9%, 12:25 p.m. EDT
, 4:25 p.m. UTC		October 8, 2026
First Quarter, 34.5% illuminatedFirst Quarter34.5%, 1:16 p.m. EDT
, 5:16 p.m. UTC		October 9, 2026
First Quarter, 43.7% illuminatedFirst Quarter43.7%, 1:59 p.m. EDT
, 5:59 p.m. UTC		October 10, 2026
First Quarter, 53.2% illuminatedFirst Quarter53.2%, 2:35 p.m. EDT
, 6:35 p.m. UTC		October 11, 2026
First Quarter, 62.7% illuminatedFirst Quarter62.7%, 3:05 p.m. EDT
, 7:05 p.m. UTC		October 12, 2026
Waxing Gibbous, 71.9% illuminatedWaxing Gibbous71.9%, 3:31 p.m. EDT
, 7:31 p.m. UTC		October 13, 2026
Waxing Gibbous, 80.5% illuminatedWaxing Gibbous80.5%, 3:54 p.m. EDT
, 7:54 p.m. UTC		October 14, 2026
Waxing Gibbous, 88% illuminatedWaxing Gibbous88%, 4:16 p.m. EDT
, 8:16 p.m. UTC		October 15, 2026
Waxing Gibbous, 94% illuminatedWaxing Gibbous94%, 4:38 p.m. EDT
, 8:38 p.m. UTC		October 16, 2026
Full Moon, 98.1% illuminatedFull Moon98.1%, 5:02 p.m. EDT
, 9:02 p.m. UTC		October 17, 2026
Full Moon, 99.8% illuminatedFull Moon99.8%, 5:29 p.m. EDT
, 9:29 p.m. UTC		October 18, 2026
Full Moon, 98.9% illuminatedFull Moon98.9%, 6:01 p.m. EDT
, 10:01 p.m. UTC		October 19, 2026
Waning Gibbous, 95.2% illuminatedWaning Gibbous95.2%, 6:42 p.m. EDT
, 10:42 p.m. UTC		October 20, 2026
Waning Gibbous, 89% illuminatedWaning Gibbous89%, 7:33 p.m. EDT
, 11:33 p.m. UTC		October 21, 2026
Waning Gibbous, 80.7% illuminatedWaning Gibbous80.7%, 8:35 p.m. EDT
, 12:35 a.m. UTC		October 22, 2026
Waning Gibbous, 70.7% illuminatedWaning Gibbous70.7%, 9:47 p.m. EDT
, 1:47 a.m. UTC		October 23, 2026
Last Quarter, 59.7% illuminatedLast Quarter59.7%, 11:02 p.m. EDT
, 3:02 a.m. UTC		October 24, 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.