New Moon on

Moon phase on 21 August 2017 Monday is New Moon, 1 day young Moon is in Leo.

Share this page: twitter facebook google+ linkedin

Moon phase for

Lunar calendar 2017 | August 2017

New Moon phase
New Moon phase
Image credit: NASA/Goddard Space Flight Center Scientific Visualization Studio.

New Moon

New Moon is the lunar phase on . Surface of the Moon disc is not illuminated. The 1 day young Moon is in ♌ Leo.

* The exact date and time of this New Moon phase is on 21 August 2017 at 18:30 UTC.

Previous date | Moon Today | Next date

Moon phases for next 7 days

7 days ago | 7 days after

Moon phase and lunation details

Moonrise and moonset

Moon rises at sunrise and sets at sunset. It's part facing the Earth is completely in shadow.

Moon in ♌ Leo

Moon is passing about ∠25° of ♌ Leo tropical zodiac sector.

Apparent angular diameter

Lunar disc is not visible from Earth. Moon and Sun apparent angular diameters are ∠1915" and ∠1897".

Harvest Moon after 15 days

Next Full Moon is the Harvest Moon of September 2017 after 15 days on 6 September 2017 at 07:03.

Upcoming main Moon phases

Spring tide

There is high New Moon ocean tide on this date. Combined Sun and Moon gravitational tidal force working on Earth is strong, because of the Sun-Moon-Earth syzygy alignment.

New lunation 218 / 1171

At 18:30 on this date the Moon completes the old and enters a new synodic month with lunation 218 of Meeus index or 1171 from Brown series.


Synodic month length 29.46 days

29 days, 11 hours and 1 minute is the length of new lunation 218. It is 2 hours and 42 minutes shorter than next lunation 219 length.

Lunation length shorter than mean

Length of current synodic month is 1 hour and 44 minutes shorter than the mean length of synodic month, but it is still 4 hours and 25 minutes longer, compared to 21st century shortest.

Lunar orbit position on

True anomaly ∠49.5°

This New Moon true anomaly is ∠49.5°. At beginning of next synodic month true anomaly will be ∠79°. The length of upcoming synodic months will keep increasing since the true anomaly gets closer to the value of New Moon at point of apogee (∠180°).

Moon after perigee

2 days after point of perigee on 18 August 2017 at 13:14 in ♋ Cancer. The lunar orbit is getting wider, while the Moon is moving outward the Earth. It will keep this direction for the next 8 days, until it get to the point of next apogee on 30 August 2017 at 11:25 in ♐ Sagittarius.

Previous perigeeNext apogee

Distance to Moon 374 298 km

Moon is 374 298 km (232 578 mi) away from Earth on this date. Moon moves farther next 8 days until apogee, when Earth-Moon distance will reach 404 307 km (251 225 mi).

Moon in ascending node

Moon is in ascending node in ♌ Leo at 10:34 on this date, it crosses the ecliptic from South to North. Moon will follow the northern part of its orbit for the next 14 days to meet descending node on 4 September 2017 at 18:41 in ♒ Aquarius.

Previous nodeNext node

New draconic month

At 10:34 on this date the Moon is completing its previous draconic month and is entering the new one.


Moon after northern standstill

3 days after previous North standstill on 18 August 2017 at 06:50 in ♋ Cancer, when Moon has reached northern declination of ∠19.381°. Next 10 days the lunar orbit moves southward to face South declination of ∠-19.393° in the next southern standstill on 1 September 2017 at 02:03 in ♑ Capricorn.

Previous standstillNext standstill

Sun-Moon-Earth syzygy

The Moon is in New Moon geocentric conjunction with the Sun on this date and this alignment forms Sun-Moon-Earth syzygy.

Previous syzygyNext syzygy

Share this page: twitter facebook google+ linkedin
Back to: Top of page