On Friday, August 13, 1971 the Moon was in its last quarter phase, with 49% of its disk illuminated and an age of 22.2 days since the last new moon. Half of the disk is lit again, on the opposite side from the first quarter. The Moon rises around midnight and is visible in the morning.
Moon data for this date
| Phase | 🌗 Last Quarter |
|---|---|
| Illumination | 49% |
| Moon age | 22.2 days |
| Day of the week | Friday |
| Last new moon | July 22, 1971 at 06:15 |
| Next full moon | September 5, 1971 at 01:02 (in 22.5 days) |
| Next new moon | August 20, 1971 at 19:53 (in 7.3 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.
← August 12, 1971 August 14, 1971 →
About the last quarter
Half of the disk is lit again, on the opposite side from the first quarter. The Moon rises around midnight and is visible in the morning. The phase name comes from the Moon's position in its 29.53-day cycle: on August 13, 1971 it had completed 75% of the cycle that began with the new moon on July 22, 1971.
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 August 13, 1971. For sun times, check sunrise and sunset.