Moon phase on February 5, 1998

First Quarter, 60%
🌓 First Quarter
Thursday, February 5, 1998 · at noon (Brasília)
Illumination: 60% Age: 8.3 days Cycle: 28%
Home → Moon phase → February 5, 1998

On Thursday, February 5, 1998 the Moon was in its first quarter phase, with 60% of its disk illuminated and an age of 8.3 days since the last new moon. Half of the disk is lit, about a week after the new moon. The Moon is easy to see in the early evening and sets around midnight.

Moon data for this date

Moon at noon Brasília time (UTC-3)
Phase🌓 First Quarter
Illumination60%
Moon age8.3 days
Day of the weekThursday
Last new moonJanuary 28, 1998 at 04:01
Next full moonFebruary 11, 1998 at 08:23 (in 5.8 days)
Next new moonFebruary 26, 1998 at 15:26 (in 21.1 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.

MonFeb 2Waxing Crescent, 29%29%Waxing CrescentTueFeb 3Waxing Crescent, 39%39%Waxing CrescentWedFeb 4First Quarter, 50%50%First Quarter
ThuFeb 5First Quarter, 60%60%First Quarter
FriFeb 6Waxing Gibbous, 70%70%Waxing GibbousSatFeb 7Waxing Gibbous, 80%80%Waxing GibbousSunFeb 8Waxing Gibbous, 87%87%Waxing Gibbous

← February 4, 1998 February 6, 1998 →

About the first quarter

Half of the disk is lit, about a week after the new moon. The Moon is easy to see in the early evening and sets around midnight. The phase name comes from the Moon's position in its 29.53-day cycle: on February 5, 1998 it had completed 28% of the cycle that began with the new moon on January 28, 1998.

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 5, 1998. For sun times, check sunrise and sunset.

Frequently asked questions

What is the Moon phase on February 5, 1998?

On February 5, 1998 the Moon was in its first quarter phase, with 60% 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: 8.3 days of an average 29.53-day cycle.

When is the next full moon after that date?

The next full moon after February 5, 1998 falls on February 11, 1998 at 08:23 Brasília time.

When is the next new moon after that date?

The next new moon after February 5, 1998 falls on February 26, 1998 at 15:26 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.