Moon phase on March 16, 2001

Last Quarter, 61%
🌗 Last Quarter
Friday, March 16, 2001 · at noon (Brasília)
Illumination: 61% Age: 21.3 days Cycle: 72%
Home → Moon phase → March 16, 2001

On Friday, March 16, 2001 the Moon was in its last quarter phase, with 61% of its disk illuminated and an age of 21.3 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
Illumination61%
Moon age21.3 days
Day of the weekFriday
Last new moonFebruary 23, 2001 at 05:22
Next full moonApril 8, 2001 at 00:22 (in 22.5 days)
Next new moonMarch 24, 2001 at 22:22 (in 8.4 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.

TueMar 13Waning Gibbous, 87%87%Waning GibbousWedMar 14Waning Gibbous, 80%80%Waning GibbousThuMar 15Waning Gibbous, 71%71%Waning Gibbous
FriMar 16Last Quarter, 61%61%Last Quarter
SatMar 17Last Quarter, 50%50%Last QuarterSunMar 18Last Quarter, 40%40%Last QuarterMonMar 19Waning Crescent, 30%30%Waning Crescent

← March 15, 2001 March 17, 2001 →

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 March 16, 2001 it had completed 72% of the cycle that began with the new moon on February 23, 2001.

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 March 16, 2001. For sun times, check sunrise and sunset.

Frequently asked questions

What is the Moon phase on March 16, 2001?

On March 16, 2001 the Moon was in its last quarter phase, with 61% 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: 21.3 days of an average 29.53-day cycle.

When is the next full moon after that date?

The next full moon after March 16, 2001 falls on April 8, 2001 at 00:22 Brasília time.

When is the next new moon after that date?

The next new moon after March 16, 2001 falls on March 24, 2001 at 22:22 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.