On Monday, May 12, 2025 the Moon was in its full moon phase, with 100% of its disk illuminated and an age of 14.8 days since the last new moon. The whole disk is lit: the Moon rises as the Sun sets and stays up all night. It is the brightest and most photographed phase.
Moon data for this date
| Phase | 🌕 Full Moon |
|---|---|
| Illumination | 100% |
| Moon age | 14.8 days |
| Day of the week | Monday |
| Last new moon | April 27, 2025 at 16:32 |
| Next full moon | May 12, 2025 at 13:57 (in about 2 h) |
| Next new moon | May 27, 2025 at 00:03 (in 14.5 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.
About the full moon
The whole disk is lit: the Moon rises as the Sun sets and stays up all night. It is the brightest and most photographed phase. The phase name comes from the Moon's position in its 29.53-day cycle: on May 12, 2025 it had completed 51% of the cycle that began with the new moon on April 27, 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 May 12, 2025. For sun times, check sunrise and sunset.