Waxing · 46.7% lit · ♐︎ Sagittarius 21°
First Quarter at
20:44UTC
Moon phase on September 18, 2026First Quarter
On Friday, September 18, 2026, the Moon was a First Quarter: 46.7% of its visible face lit, 7.4 days after the new moon and growing each night. The exact First Quarter happened at .
46.7%Illumination at noon UTC
7.4 dMoon age
403,956 km251,007 mi from Earth
♐︎ SagittariusMoon sign (22°)
29.6′Apparent size (arcmin)
WaxingLit on the right (N. Hemisphere)
Nearest moon phases
The nearest full moon to September 18, 2026 is on Saturday, September 26, 2026 at 16:49 UTC, 8 days later, and the nearest new moon is on Friday, September 11, 2026 at 03:27 UTC, 7 days earlier.
| Phase | Date | Time (UTC) |
|---|---|---|
| New Moon (before) | Friday, September 11, 2026 | 03:27 |
| First Quarter (this day) | Friday, September 18, 2026 | 20:44 |
| Full Moon (after) | Saturday, September 26, 2026 | 16:49 |
The Moon around September 18
More about this date
Friday, September 18, 2026 falls in the lunar cycle that runs from the new moon of September 11, 2026 to the new moon of October 10, 2026, a cycle of 29.52 days.
- See every phase of the month in the moon phases in September 2026, or the whole moon calendar 2026.
- The same date one year apart: 2025 · 2027.
- Born on this day? The moon phase on your birthday tool adds your birth time and your moon sign.
- Phases change by time zone: this page uses Coordinated Universal Time (UTC). Learn how to read the phases of the moon.