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 — Gregorian

Gregorian dates: September 1, 2026 – September 30, 2026.

Switching keeps the reference date, September 1, 2026. 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 September 2026, Eastern Time. 13 month calendar date shown in the center of each day.
SundayMondayTuesdayWednesdayThursdayFridaySaturday
Waning Gibbous, 75.3% illuminated75.3%Aug 20 Last Quarter, 65% illuminated65%Aug 21 Last Quarter, 53.9% illuminated53.9%Aug 22 Last Quarter, 42.4% illuminated42.4%Aug 23 Last Quarter 3:51 a.m. EDT Last Quarter, 31.3% illuminated31.3%Aug 24
Waning Crescent, 21.1% illuminated21.1%Aug 25 Waning Crescent, 12.4% illuminated12.4%Aug 26 Waning Crescent, 5.8% illuminated5.8%Aug 27 New Moon, 1.7% illuminated1.7%Aug 28 New Moon, 0% illuminated0%Sep 1 New Moon 11:26 p.m. EDT New Moon, 0.9% illuminated0.9%Sep 2 New Moon, 4.1% illuminated4.1%Sep 3
Waxing Crescent, 9.3% illuminated9.3%Sep 4 Waxing Crescent, 16% illuminated16%Sep 5 Waxing Crescent, 24% illuminated24%Sep 6 First Quarter, 32.7% illuminated32.7%Sep 7 First Quarter, 42% illuminated42%Sep 8 First Quarter, 51.4% illuminated51.4%Sep 9 First Quarter 4:43 p.m. EDT First Quarter, 60.8% illuminated60.8%Sep 10
Waxing Gibbous, 69.9% illuminated69.9%Sep 11 Waxing Gibbous, 78.3% illuminated78.3%Sep 12 Waxing Gibbous, 85.8% illuminated85.8%Sep 13 Waxing Gibbous, 92.1% illuminated92.1%Sep 14 Full Moon, 96.7% illuminated96.7%Sep 15 Full Moon, 99.4% illuminated99.4%Sep 16 Full Moon, 99.8% illuminated99.8%Sep 17 Full Moon 12:48 p.m. EDT
Full Moon, 97.8% illuminated97.8%Sep 18 Waning Gibbous, 93.4% illuminated93.4%Sep 19 Waning Gibbous, 86.6% illuminated86.6%Sep 20 Waning Gibbous, 77.9% illuminated77.9%Sep 21

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.