Moon phase on December 27, 1989

New Moon, 0%
🌑 New Moon
Wednesday, December 27, 1989 · at noon (Brasília)
Illumination: 0% Age: 29.2 days Cycle: 98%

On Wednesday, December 27, 1989 the Moon was in its new moon phase, with 0% of its disk illuminated and an age of 29.2 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
Illumination0%
Moon age29.2 days
Day of the weekWednesday
Last new moonNovember 28, 1989 at 07:41
Next full moonJanuary 11, 1990 at 02:57 (in 14.6 days)
Next new moonDecember 28, 1989 at 01:20 (in about 13 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.

← December 26, 1989 December 28, 1989 →

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 December 27, 1989 it had completed 98% of the cycle that began with the new moon on November 28, 1989.

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 December 27, 1989. For sun times, check sunrise and sunset.

Frequently asked questions

What is the Moon phase on December 27, 1989?

On December 27, 1989 the Moon was in its new moon phase, with 0% 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: 29.2 days of an average 29.53-day cycle.

When is the next full moon after that date?

The next full moon after December 27, 1989 falls on January 11, 1990 at 02:57 Brasília time.

When is the next new moon after that date?

The next new moon after December 27, 1989 falls on December 28, 1989 at 01:20 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.