Moon phase on May 31, 1970

Waning Crescent, 13%
🌘 Waning Crescent
Sunday, May 31, 1970 · at noon (Brasília)
Illumination: 13% Age: 26.0 days Cycle: 88%

On Sunday, May 31, 1970 the Moon was in its waning crescent phase, with 13% of its disk illuminated and an age of 26.0 days since the last new moon. Only a thin sliver is left, visible in the east shortly before dawn, as the cycle prepares to start over with the new moon.

Moon data for this date

Moon at noon Brasília time (UTC-3)
Phase🌘 Waning Crescent
Illumination13%
Moon age26.0 days
Day of the weekSunday
Last new moonMay 5, 1970 at 11:51
Next full moonJune 19, 1970 at 09:27 (in 18.9 days)
Next new moonJune 3, 1970 at 23:21 (in 3.5 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.

← May 30, 1970 June 1, 1970 →

About the waning crescent

Only a thin sliver is left, visible in the east shortly before dawn, as the cycle prepares to start over with the new moon. The phase name comes from the Moon's position in its 29.53-day cycle: on May 31, 1970 it had completed 88% of the cycle that began with the new moon on May 5, 1970.

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 31, 1970. For sun times, check sunrise and sunset.

Frequently asked questions

What is the Moon phase on May 31, 1970?

On May 31, 1970 the Moon was in its waning crescent phase, with 13% 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: 26.0 days of an average 29.53-day cycle.

When is the next full moon after that date?

The next full moon after May 31, 1970 falls on June 19, 1970 at 09:27 Brasília time.

When is the next new moon after that date?

The next new moon after May 31, 1970 falls on June 3, 1970 at 23:21 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.