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.
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.
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
 99.9%June 18
Full Moon 8:44 p.m. EDT
|
99.1%June 19
|
96.5%June 20
|
 92.2%June 21
|
86.4%June 22
|
79.3%June 23
|
71.1%June 24
|
 62%June 25
|
52.2%June 26
|
42.1%June 27
Last Quarter 12:54 a.m. EDT
|
 31.9%June 28
|
22.3%June 29
|
13.7%June 30
|
6.7%July 1
|
 2%July 2
|
0.1%July 3
New Moon 11:01 p.m. EDT
|
1.2%July 4
|
 5.3%July 5
|
12%July 6
|
20.8%July 7
|
30.9%July 8
|
 41.7%July 9
|
52.5%July 10
First Quarter 2:38 p.m. EDT
|
62.9%July 11
|
 72.5%July 12
|
81%July 13
|
88.1%July 14
|
93.6%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.
September 2026 Moon Phases — Exact Times
| Phase | Date | Time (ET) | Time (UTC) | 13 month date |
|---|---|---|---|---|
| Last Quarter | 3:51 a.m. EDT | 7:51 a.m. UTC | August 23, 2026 | |
| New Moon | 11:26 p.m. EDT | 3:26 a.m. UTC | September 1, 2026 | |
| First Quarter | 4:43 p.m. EDT | 8:43 p.m. UTC | September 9, 2026 | |
| Full Moon | 12:48 p.m. EDT | 4:48 p.m. UTC | September 17, 2026 |
Daily Moon Phase, Illumination, and Moonrise
“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.