Moon Phase
- First Quarter
- Moonrise: 1:39 PM
- Moon set: 10:33 PM
- Duration:8 hours and 54 minutes

Moon status
The moon in Boulder, United States on Thursday, September 21, 2023
In Boulder, United States, the Moon phase on Thursday, September 21, 2023 is First Quarter with an illumination of 43.99%. This indicates the percentage of the Moon illuminated by the Sun. On Thursday, September 21, 2023, the Moon is 6.82 days old, representing the number of days since the last New Moon.
Moon phase details at Thursday, September 21, 2023
| Moon Phase details | |
|---|---|
| Location | Boulder, United States |
| Phase | 🌓 First Quarter |
| Horoscope | ♍ Virgo |
| Illumination | 43.99% Visible |
| Rise/Set | 1:39 PM / 10:33 PM |
| Moon Age | 6.82 Days |
| Moon Angular | 30.43º |
| Moon Distance | 374,929.39 km |
Frequently Asked Questions
On Thursday, September 21, 2023 in Boulder, United States, the Moon is in the First Quarter phase with 43.99% illumination, is 6.82 days old, and located in the Pisces (♓) constellation. Data from phasesmoon.com.
The Moon's illumination on Thursday, September 21, 2023 is 43.99%, according to phasesmoon.com.
On Thursday, September 21, 2023 in Boulder, United States, the Moon rises at 1:39 PM and sets at 10:33 PM (America/Denver), according to phasesmoon.com.