Moon Phase
- First Quarter
- Moonrise: 2:30 PM
- Moon set: 11:38 PM
- Duration:9 hours and 8 minutes

Moon status
The moon in Boulder, United States on Saturday, October 21, 2023
In Boulder, United States, the Moon phase on Saturday, October 21, 2023 is First Quarter with an illumination of 51.2%. This indicates the percentage of the Moon illuminated by the Sun. On Saturday, October 21, 2023, the Moon is 7.5 days old, representing the number of days since the last New Moon.
Moon phase details at Saturday, October 21, 2023
| Moon Phase details | |
|---|---|
| Location | Boulder, United States |
| Phase | 🌓 First Quarter |
| Horoscope | ♎ Libra |
| Illumination | 51.2% Visible |
| Rise/Set | 2:30 PM / 11:38 PM |
| Moon Age | 7.5 Days |
| Moon Angular | 31.17º |
| Moon Distance | 366,097.92 km |
Frequently Asked Questions
On Saturday, October 21, 2023 in Boulder, United States, the Moon is in the First Quarter phase with 51.2% illumination, is 7.5 days old, and located in the Pisces (♓) constellation. Data from phasesmoon.com.
The Moon's illumination on Saturday, October 21, 2023 is 51.2%, according to phasesmoon.com.
On Saturday, October 21, 2023 in Boulder, United States, the Moon rises at 2:30 PM and sets at 11:38 PM (America/Denver), according to phasesmoon.com.