Moon phase on February 21, 1958

Waxing Crescent, 10%
🌒 Waxing Crescent
Friday, February 21, 1958 · at noon (Brasília)
Illumination: 10% Age: 3.0 days Cycle: 10%
Home → Moon phase → February 21, 1958

On Friday, February 21, 1958 the Moon was in its waxing crescent phase, with 10% of its disk illuminated and an age of 3.0 days since the last new moon. A thin lit sliver appears low in the western sky just after sunset and sets shortly after the Sun.

Moon data for this date

Moon at noon Brasília time (UTC-3)
Phase🌒 Waxing Crescent
Illumination10%
Moon age3.0 days
Day of the weekFriday
Last new moonFebruary 18, 1958 at 12:38
Next full moonMarch 5, 1958 at 15:27 (in 12.1 days)
Next new moonMarch 20, 1958 at 06:49 (in 26.8 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.

TueFeb 18New Moon, 0%0%New MoonWedFeb 19New Moon, 1%1%New MoonThuFeb 20Waxing Crescent, 4%4%Waxing Crescent
FriFeb 21Waxing Crescent, 10%10%Waxing Crescent
SatFeb 22Waxing Crescent, 17%17%Waxing CrescentSunFeb 23Waxing Crescent, 25%25%Waxing CrescentMonFeb 24Waxing Crescent, 35%35%Waxing Crescent

← February 20, 1958 February 22, 1958 →

About the waxing crescent

A thin lit sliver appears low in the western sky just after sunset and sets shortly after the Sun. The phase name comes from the Moon's position in its 29.53-day cycle: on February 21, 1958 it had completed 10% of the cycle that began with the new moon on February 18, 1958.

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 February 21, 1958. For sun times, check sunrise and sunset.

Frequently asked questions

What is the Moon phase on February 21, 1958?

On February 21, 1958 the Moon was in its waxing 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: 3.0 days of an average 29.53-day cycle.

When is the next full moon after that date?

The next full moon after February 21, 1958 falls on March 5, 1958 at 15:27 Brasília time.

When is the next new moon after that date?

The next new moon after February 21, 1958 falls on March 20, 1958 at 06:49 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.