First Quarter Moon
First Quarter MoonImage credit: NASA/Goddard Space Flight Center Scientific Visualization Studio.(large image)

First Quarter in Libra

First Quarter on . The illuminated surface of the moon is 63% and growing larger. The lunar cycle is 8 days young.

* The exact date and time of this First Quarter phase is on 15 June 2100 at 09:41 UTC.

Moonrise and moonset

The moon rises at noon and sets at midnight. It is visible high in the southern sky in early evening.

Moon phases on nearby dates

Slide horizontally to discover the moon phase on nearby dates.

Upcoming main moon phases

Main moon phases of the following lunar cycle.

Moon phase and lunation details

Moon in ♎ Libra

Moon is passing about ∠10° of ♎ Libra tropical zodiac sector.

Strawberry Moon after 5 days

Next Full Moon is the Strawberry Moon of June 2100 after 5 days on 22 June 2100 at 01:11.

Neap tide

There is low ocean tide on this date. Sun and Moon gravitational forces are not aligned, but meet at big angle, so their combined tidal force is weak.

Apparent angular diameter ∠1966"

Lunar disc appears visually 4% wider than solar disc. Moon and Sun apparent angular diameters are ∠1966" and ∠1889".

Lunation 1242 / 2195

The Moon is 8 days young and navigating through the first part of the current synodic month. This is lunation 1242 of Meeus index or 2195 from Brown series.

Synodic month length 29.52 days

The length of this lunation is 29 days, 12 hours and 35 minutes and it is 1 hour and 40 minutes longer than the upcoming lunation's length. The lengths of the following synodic months are going to decrease with the lunar orbit true anomaly getting closer to the value it has at the point of New Moon at perigee (∠0° or ∠360°).

Lunation length shorter than mean

The length of the current synodic month is 9 minutes shorter than the mean synodic month length. It is 6 hours longer compared to 21st century's shortest synodic month length.

Lunar orbit details for

True anomaly ∠227.5°

The true anomaly of the Moon orbit at the beginning of this lunation cycle is ∠227.5° and at the beginning of the next lunar synodic month the true anomaly is going to be ∠261°.

Moon before perigee

12 days since point of apogee on 3 June 2100 at 17:09 in ♈ Aries the lunar orbit is getting narrow while the Moon is moving towards the Earth. It will keep this direction over the next 3 days until the Moon reaches the point of next perigee on 19 June 2100 at 12:17 in ♏ Scorpio.

Distance to Moon 364 510 km

The Moon is 364 510 km (226 496 mi) away from Earth and getting closer over the next 3 days until the point perigee when Earth-Moon distance is going to be 364 024 km (226 194 mi).

Moon after descending node

2 days after descending node on 14 June 2100 at 11:14 in ♍ Virgo the Moon is positioned south of the ecliptic over the following 10 days until the lunar crosses the ecliptic again from South to North in ascending node on 27 June 2100 at 05:37 in ♓ Pisces.

Moon before southern standstill

7 days since the last northern standstill on 8 June 2100 at 18:51 in ♊ Gemini when the Moon has reached North declination of ∠28.177° the lunar orbit is extending southward over the next 5 days to face maximum declination of ∠-28.185° at the point of next southern standstill on 21 June 2100 at 19:11 in ♐ Sagittarius.

Draconic month

16 days since the beginning of this draconic month in ♓ Pisces the Moon is navigating from the second to the final part of the lunar cycle.

Syzygy in 5 days

In 5 days on 22 June 2100 at 01:11 in ♑ Capricorn the Moon is going to be in a Full Moon geocentric opposition with the Sun and thus forming the next Sun-Earth-Moon syzygy alignment.

Lunar calendar

Sources and credits

Parts of this Lunar Calendar are based on Planetary Ephemeris Data Courtesy of Fred Espenak, www.Astropixels.com

Moon phase image credit to NASA/Goddard Space Flight Center Scientific Visualization Studio, svs.gsfc.nasa.gov