Waning · 90.2% lit · ♊︎ Gemini 04°
Moon age
17.7days
Moon phase on October 21, 2100Waning Gibbous
On Thursday, October 21, 2100, the Moon will be a Waning Gibbous: 90.2% of its visible face lit, 17.7 days after the new moon and shrinking each night.
90.2%Illumination at noon UTC
17.7 dMoon age
405,644 km252,056 mi from Earth
♊︎ GeminiMoon sign (4°)
29.4′Apparent size (arcmin)
WaningLit on the left (N. Hemisphere)
Nearest moon phases
The nearest full moon to October 21, 2100 is on Monday, October 18, 2100 at 04:06 UTC, 3 days earlier, and the nearest new moon is on Tuesday, November 2, 2100 at 03:14 UTC, 12 days later.
| Phase | Date | Time (UTC) |
|---|---|---|
| Full Moon (before) | Monday, October 18, 2100 | 04:06 |
| Last Quarter (after) | Tuesday, October 26, 2100 | 07:19 |
The Moon around October 21
More about this date
Thursday, October 21, 2100 falls in the lunar cycle that runs from the new moon of October 3, 2100 to the new moon of November 2, 2100, a cycle of 29.38 days.
- See every phase of the month in the moon phases in October 2100, or the whole moon calendar 2100.
- The same date one year apart: 2099 · 2101.
- 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.