Moon phase on October 1, 1966

Waning Gibbous, 95%
🌖 Waning Gibbous
Saturday, October 1, 1966 · at noon (Brasília)
Illumination: 95% Age: 16.8 days Cycle: 57%
Home → Moon phase → October 1, 1966

On Saturday, October 1, 1966 the Moon was in its waning gibbous phase, with 95% of its disk illuminated and an age of 16.8 days since the last new moon. The lit part starts to shrink. The Moon rises a few hours after dusk and is still in the sky when day breaks.

Moon data for this date

Moon at noon Brasília time (UTC-3)
Phase🌖 Waning Gibbous
Illumination95%
Moon age16.8 days
Day of the weekSaturday
Last new moonSeptember 14, 1966 at 16:12
Next full moonOctober 29, 1966 at 07:00 (in 27.8 days)
Next new moonOctober 14, 1966 at 00:51 (in 12.5 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.

WedSep 28Full Moon, 99%99%Full MoonThuSep 29Full Moon, 100%100%Full MoonFriSep 30Waning Gibbous, 99%99%Waning Gibbous
SatOct 1Waning Gibbous, 95%95%Waning Gibbous
SunOct 2Waning Gibbous, 89%89%Waning GibbousMonOct 3Waning Gibbous, 82%82%Waning GibbousTueOct 4Waning Gibbous, 73%73%Waning Gibbous

← September 30, 1966 October 2, 1966 →

About the waning gibbous

The lit part starts to shrink. The Moon rises a few hours after dusk and is still in the sky when day breaks. The phase name comes from the Moon's position in its 29.53-day cycle: on October 1, 1966 it had completed 57% of the cycle that began with the new moon on September 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 1, 1966. For sun times, check sunrise and sunset.

Frequently asked questions

What is the Moon phase on October 1, 1966?

On October 1, 1966 the Moon was in its waning gibbous phase, with 95% of the disk lit (calculated at noon Brasília time).

How old is the Moon on that date?

The age is the time since the last new moon: 16.8 days of an average 29.53-day cycle.

When is the next full moon after that date?

The next full moon after October 1, 1966 falls on October 29, 1966 at 07:00 Brasília time.

When is the next new moon after that date?

The next new moon after October 1, 1966 falls on October 14, 1966 at 00:51 Brasília time.

How is the Moon phase calculated?

With Jean Meeus's astronomical formulas for the instants of new, quarter and full moon. The age comes from the time since the last new moon and the illumination is (1 − cos(2π × cycle fraction)) / 2.

Is the phase the same everywhere in the world?

Yes, the phase and the illuminated percentage are the same across the planet at any given instant. Only the orientation changes: in the southern hemisphere a waxing Moon is lit on the left, in the northern one on the right.