Moon phase on March 23, 2009

Waning Crescent, 10%
🌘 Waning Crescent
Monday, March 23, 2009 · at noon (Brasília)
Illumination: 10% Age: 26.6 days Cycle: 90%
Home → Moon phase → March 23, 2009

On Monday, March 23, 2009 the Moon was in its waning crescent phase, with 10% of its disk illuminated and an age of 26.6 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
Illumination10%
Moon age26.6 days
Day of the weekMonday
Last new moonFebruary 24, 2009 at 22:35
Next full moonApril 9, 2009 at 11:56 (in 17.0 days)
Next new moonMarch 26, 2009 at 13:06 (in 3.0 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.

FriMar 20Waning Crescent, 36%36%Waning CrescentSatMar 21Waning Crescent, 26%26%Waning CrescentSunMar 22Waning Crescent, 17%17%Waning Crescent
MonMar 23Waning Crescent, 10%10%Waning Crescent
TueMar 24Waning Crescent, 5%5%Waning CrescentWedMar 25Waning Crescent, 1%1%Waning CrescentThuMar 26New Moon, 0%0%New Moon

← March 22, 2009 March 24, 2009 →

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 March 23, 2009 it had completed 90% of the cycle that began with the new moon on February 24, 2009.

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 23, 2009. For sun times, check sunrise and sunset.

Frequently asked questions

What is the Moon phase on March 23, 2009?

On March 23, 2009 the Moon was in its waning crescent phase, with 10% 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: 26.6 days of an average 29.53-day cycle.

When is the next full moon after that date?

The next full moon after March 23, 2009 falls on April 9, 2009 at 11:56 Brasília time.

When is the next new moon after that date?

The next new moon after March 23, 2009 falls on March 26, 2009 at 13:06 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.