Moon phase on March 31, 1984

New Moon, 1%
🌑 New Moon
Saturday, March 31, 1984 · at noon (Brasília)
Illumination: 1% Age: 28.9 days Cycle: 97%
Home → Moon phase → March 31, 1984

On Saturday, March 31, 1984 the Moon was in its new moon phase, with 1% of its disk illuminated and an age of 28.9 days since the last new moon. The Moon sits between the Earth and the Sun and shows us its dark side. It is practically invisible in the sky, and the nights are darkest, which is ideal for stargazing.

Moon data for this date

Moon at noon Brasília time (UTC-3)
Phase🌑 New Moon
Illumination1%
Moon age28.9 days
Day of the weekSaturday
Last new moonMarch 2, 1984 at 15:30
Next full moonApril 15, 1984 at 16:10 (in 15.2 days)
Next new moonApril 1, 1984 at 09:09 (in about 21 h)

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.

WedMar 28Waning Crescent, 16%16%Waning CrescentThuMar 29Waning Crescent, 9%9%Waning CrescentFriMar 30Waning Crescent, 4%4%Waning Crescent
SatMar 31New Moon, 1%1%New Moon
SunApr 1New Moon, 0%0%New MoonMonApr 2Waxing Crescent, 1%1%Waxing CrescentTueApr 3Waxing Crescent, 5%5%Waxing Crescent

← March 30, 1984 April 1, 1984 →

About the new moon

The Moon sits between the Earth and the Sun and shows us its dark side. It is practically invisible in the sky, and the nights are darkest, which is ideal for stargazing. The phase name comes from the Moon's position in its 29.53-day cycle: on March 31, 1984 it had completed 97% of the cycle that began with the new moon on March 2, 1984.

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 31, 1984. For sun times, check sunrise and sunset.

Frequently asked questions

What is the Moon phase on March 31, 1984?

On March 31, 1984 the Moon was in its new moon phase, with 1% 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: 28.9 days of an average 29.53-day cycle.

When is the next full moon after that date?

The next full moon after March 31, 1984 falls on April 15, 1984 at 16:10 Brasília time.

When is the next new moon after that date?

The next new moon after March 31, 1984 falls on April 1, 1984 at 09:09 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.