Moon phase on October 25, 1986

Last Quarter, 53%
🌗 Last Quarter
Saturday, October 25, 1986 · at noon (Brasília)
Illumination: 53% Age: 21.8 days Cycle: 74%
Home → Moon phase → October 25, 1986

On Saturday, October 25, 1986 the Moon was in its last quarter phase, with 53% of its disk illuminated and an age of 21.8 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

Moon at noon Brasília time (UTC-3)
Phase🌗 Last Quarter
Illumination53%
Moon age21.8 days
Day of the weekSaturday
Last new moonOctober 3, 1986 at 15:55
Next full moonNovember 16, 1986 at 10:12 (in 21.9 days)
Next new moonNovember 2, 1986 at 04:02 (in 7.7 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.

WedOct 22Waning Gibbous, 82%82%Waning GibbousThuOct 23Waning Gibbous, 73%73%Waning GibbousFriOct 24Waning Gibbous, 63%63%Waning Gibbous
SatOct 25Last Quarter, 53%53%Last Quarter
SunOct 26Last Quarter, 43%43%Last QuarterMonOct 27Waning Crescent, 32%32%Waning CrescentTueOct 28Waning Crescent, 23%23%Waning Crescent

← October 24, 1986 October 26, 1986 →

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 October 25, 1986 it had completed 74% of the cycle that began with the new moon on October 3, 1986.

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 25, 1986. For sun times, check sunrise and sunset.

Frequently asked questions

What is the Moon phase on October 25, 1986?

On October 25, 1986 the Moon was in its last quarter phase, with 53% 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: 21.8 days of an average 29.53-day cycle.

When is the next full moon after that date?

The next full moon after October 25, 1986 falls on November 16, 1986 at 10:12 Brasília time.

When is the next new moon after that date?

The next new moon after October 25, 1986 falls on November 2, 1986 at 04:02 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.