Moon phase on April 30, 1999

Full Moon, 100%
🌕 Full Moon
Friday, April 30, 1999 · at noon (Brasília)
Illumination: 100% Age: 14.4 days Cycle: 49%
Home → Moon phase → April 30, 1999

On Friday, April 30, 1999 the Moon was in its full moon phase, with 100% of its disk illuminated and an age of 14.4 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
Illumination100%
Moon age14.4 days
Day of the weekFriday
Last new moonApril 16, 1999 at 01:22
Next full moonMay 30, 1999 at 03:40 (in 29.7 days)
Next new moonMay 15, 1999 at 09:05 (in 14.9 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.

TueApr 27Waxing Gibbous, 89%89%Waxing GibbousWedApr 28Waxing Gibbous, 94%94%Waxing GibbousThuApr 29Waxing Gibbous, 98%98%Waxing Gibbous
FriApr 30Full Moon, 100%100%Full Moon
SatMay 1Full Moon, 99%99%Full MoonSunMay 2Waning Gibbous, 96%96%Waning GibbousMonMay 3Waning Gibbous, 91%91%Waning Gibbous

← April 29, 1999 May 1, 1999 →

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 April 30, 1999 it had completed 49% of the cycle that began with the new moon on April 16, 1999.

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 April 30, 1999. For sun times, check sunrise and sunset.

Frequently asked questions

What is the Moon phase on April 30, 1999?

On April 30, 1999 the Moon was in its full moon phase, with 100% 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: 14.4 days of an average 29.53-day cycle.

When is the next full moon after that date?

The next full moon after April 30, 1999 falls on May 30, 1999 at 03:40 Brasília time.

When is the next new moon after that date?

The next new moon after April 30, 1999 falls on May 15, 1999 at 09:05 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.