Moon phase on September 10, 2014

Waning Gibbous, 98%
🌖 Waning Gibbous
Wednesday, September 10, 2014 · at noon (Brasília)
Illumination: 98% Age: 16.0 days Cycle: 54%

On Wednesday, September 10, 2014 the Moon was in its waning gibbous phase, with 98% of its disk illuminated and an age of 16.0 days since the last new moon. The lit part starts to shrink. The Moon rises a few hours after dusk and is still in the sky when day breaks.

Moon data for this date

Moon at noon Brasília time (UTC-3)
Phase🌖 Waning Gibbous
Illumination98%
Moon age16.0 days
Day of the weekWednesday
Last new moonAugust 25, 2014 at 11:13
Next full moonOctober 8, 2014 at 07:50 (in 27.8 days)
Next new moonSeptember 24, 2014 at 03:14 (in 13.6 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.

← September 9, 2014 September 11, 2014 →

About the waning gibbous

The lit part starts to shrink. The Moon rises a few hours after dusk and is still in the sky when day breaks. The phase name comes from the Moon's position in its 29.53-day cycle: on September 10, 2014 it had completed 54% of the cycle that began with the new moon on August 25, 2014.

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 September 10, 2014. For sun times, check sunrise and sunset.

Frequently asked questions

What is the Moon phase on September 10, 2014?

On September 10, 2014 the Moon was in its waning gibbous phase, with 98% 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: 16.0 days of an average 29.53-day cycle.

When is the next full moon after that date?

The next full moon after September 10, 2014 falls on October 8, 2014 at 07:50 Brasília time.

When is the next new moon after that date?

The next new moon after September 10, 2014 falls on September 24, 2014 at 03:14 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.