Moon phase on October 15, 2027

Full Moon, 99%
🌕 Full Moon
Friday, October 15, 2027 · at noon (Brasília)
Illumination: 99% Age: 15.5 days Cycle: 53%

On Friday, October 15, 2027 the Moon will be in its full moon phase, with 99% of its disk illuminated and an age of 15.5 days since the last new moon. The whole disk is lit: the Moon rises as the Sun sets and stays up all night. It is the brightest and most photographed phase.

Moon data for this date

Moon at noon Brasília time (UTC-3)
Phase🌕 Full Moon
Illumination99%
Moon age15.5 days
Day of the weekFriday
Last new moonSeptember 29, 2027 at 23:36
Next full moonNovember 14, 2027 at 00:26 (in 29.5 days)
Next new moonOctober 29, 2027 at 10:36 (in 13.9 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 14, 2027 October 16, 2027 →

About the full moon

The whole disk is lit: the Moon rises as the Sun sets and stays up all night. It is the brightest and most photographed phase. The phase name comes from the Moon's position in its 29.53-day cycle: on October 15, 2027 it had completed 53% of the cycle that began with the new moon on September 29, 2027.

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 15, 2027. For sun times, check sunrise and sunset.

Frequently asked questions

What is the Moon phase on October 15, 2027?

On October 15, 2027 the Moon will be in its full moon phase, with 99% 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: 15.5 days of an average 29.53-day cycle.

When is the next full moon after that date?

The next full moon after October 15, 2027 falls on November 14, 2027 at 00:26 Brasília time.

When is the next new moon after that date?

The next new moon after October 15, 2027 falls on October 29, 2027 at 10:36 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.