On Tuesday, October 21, 2025 the Moon was in its new moon phase, with 0% of its disk illuminated and an age of 0.1 days since the last new moon. The Moon sits between the Earth and the Sun and shows us its dark side. It is practically invisible in the sky, and the nights are darkest, which is ideal for stargazing.
Moon data for this date
| Phase | 🌑 New Moon |
|---|---|
| Illumination | 0% |
| Moon age | 0.1 days |
| Day of the week | Tuesday |
| Last new moon | October 21, 2025 at 09:25 |
| Next full moon | November 5, 2025 at 10:19 (in 14.9 days) |
| Next new moon | November 20, 2025 at 03:47 (in 29.7 days) |
The Moon on the surrounding days
Compare the phase and illumination over the three days before and after. Click a day to open its page.
← October 20, 2025 October 22, 2025 →
About the new moon
The Moon sits between the Earth and the Sun and shows us its dark side. It is practically invisible in the sky, and the nights are darkest, which is ideal for stargazing. The phase name comes from the Moon's position in its 29.53-day cycle: on October 21, 2025 it had completed 0% of the cycle that began with the new moon on October 21, 2025.
Looking for another date, such as a birthday? Use the Moon phase on the day I was born tool, see the Moon phase today page with the lunar calendar, or find the day of the week of October 21, 2025. For sun times, check sunrise and sunset.