On Thursday, October 20, 1966 the Moon was in its first quarter phase, with 40% of its disk illuminated and an age of 6.5 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 | 40% |
| Moon age | 6.5 days |
| Day of the week | Thursday |
| Last new moon | October 14, 1966 at 00:51 |
| Next full moon | October 29, 1966 at 07:00 (in 8.8 days) |
| Next new moon | November 12, 1966 at 12:26 (in 23.0 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 19, 1966 October 21, 1966 →
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 October 20, 1966 it had completed 22% of the cycle that began with the new moon on October 14, 1966.
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 20, 1966. For sun times, check sunrise and sunset.