On Sunday, April 21, 1991 the Moon was in its first quarter phase, with 44% of its disk illuminated and an age of 6.8 days since the last new moon. Half of the disk is lit, about a week after the new moon. The Moon is easy to see in the early evening and sets around midnight.
Moon data for this date
| Phase | 🌓 First Quarter |
|---|---|
| Illumination | 44% |
| Moon age | 6.8 days |
| Day of the week | Sunday |
| Last new moon | April 14, 1991 at 16:38 |
| Next full moon | April 28, 1991 at 17:59 (in 7.2 days) |
| Next new moon | May 14, 1991 at 01:36 (in 22.6 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.
← April 20, 1991 April 22, 1991 →
About the first quarter
Half of the disk is lit, about a week after the new moon. The Moon is easy to see in the early evening and sets around midnight. The phase name comes from the Moon's position in its 29.53-day cycle: on April 21, 1991 it had completed 23% of the cycle that began with the new moon on April 14, 1991.
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 April 21, 1991. For sun times, check sunrise and sunset.