Moon phase on February 28, 2031

First Quarter, 46%
🌓 First Quarter
Friday, February 28, 2031 · at noon (Brasília)
Illumination: 46% Age: 7.0 days Cycle: 24%
Home → Moon phase → February 28, 2031

On Friday, February 28, 2031 the Moon will be in its first quarter phase, with 46% of its disk illuminated and an age of 7.0 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

Moon at noon Brasília time (UTC-3)
Phase🌓 First Quarter
Illumination46%
Moon age7.0 days
Day of the weekFriday
Last new moonFebruary 21, 2031 at 12:49
Next full moonMarch 9, 2031 at 01:30 (in 8.6 days)
Next new moonMarch 23, 2031 at 00:49 (in 22.5 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.

TueFeb 25Waxing Crescent, 17%17%Waxing CrescentWedFeb 26Waxing Crescent, 25%25%Waxing CrescentThuFeb 27Waxing Crescent, 35%35%Waxing Crescent
FriFeb 28First Quarter, 46%46%First Quarter
SatMar 1First Quarter, 56%56%First QuarterSunMar 2Waxing Gibbous, 67%67%Waxing GibbousMonMar 3Waxing Gibbous, 76%76%Waxing Gibbous

← February 27, 2031 March 1, 2031 →

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 February 28, 2031 it had completed 24% of the cycle that began with the new moon on February 21, 2031.

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 February 28, 2031. For sun times, check sunrise and sunset.

Frequently asked questions

What is the Moon phase on February 28, 2031?

On February 28, 2031 the Moon will be in its first quarter phase, with 46% 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: 7.0 days of an average 29.53-day cycle.

When is the next full moon after that date?

The next full moon after February 28, 2031 falls on March 9, 2031 at 01:30 Brasília time.

When is the next new moon after that date?

The next new moon after February 28, 2031 falls on March 23, 2031 at 00:49 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.