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New Moon

Sun, 04 Nov 2040 at13:57 EST(8266 days away)
18:57 UTC

Dominic Ford, Editor
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The sky at

The Moon will pass close to the Sun and become lost in the Sun's glare for a few days.

The Moon's orbital motion carries it around the Earth once every four weeks, and as a result its phases cycle from new moon, through first quarter, full moon and last quarter, back to new moon once every 29.5 days.

This motion also means that the Moon travels more than 12° across the sky from one night to the next, causing it to rise and set nearly an hour later each day. Click here for more information about the Moon's phases.

At new moon, the Earth, Moon and Sun all lie in a roughly straight line, with the Moon in the middle, appearing in front of the Sun's glare. In this configuration, we see almost exactly the opposite half of the Moon to that which is illuminated by the Sun, making it doubly unobservable because the side we see is unilluminated.

Over coming days, the Moon will rise and set an hour later each day, becoming visible in the late afternoon and dusk sky as a waxing crescent which sets soon after the Sun. By first quarter, in a week's time, it will be visible until around midnight.

At the moment of closest approach, it will pass within 1°03'of the Sun, in the constellation Libra. The exact positions of the Sun and Moon will be:

Object Right Ascension Declination Constellation Angular Size
The Moon 14h41m10s -14°32' Libra 31'38"
Sun (centre) 14h39m -15°33' Libra 32'15"

The coordinates above are given in J2000.0.

The sky on 19 March 2018
Twilight ends
Twilight begins

2-day old moon
Waxing Crescent


2 days old

Rise Culm. Set
Mercury 07:42 14:15 20:47
Venus 07:59 14:19 20:40
Moon 08:44 15:05 21:25
Mars 02:44 07:25 12:06
Jupiter 23:36 04:45 09:50
Saturn 03:11 07:57 12:43
All times shown in EDT.


Never attempt to point a pair of binoculars or a telescope at an object close to the Sun. Doing so may result in immediate and permanent blindness.


The circumstances of this event were computed using the DE405 planetary ephemeris published by the Jet Propulsion Laboratory (JPL).

This event was automatically generated by searching the ephemeris for planetary alignments which are of interest to amateur astronomers, and the text above was generated based on an estimate of your location.

Related news

04 Nov 2040, 13:57 EST  –  New Moon
11 Nov 2040, 10:25 EST  –  Moon at First Quarter
18 Nov 2040, 14:08 EST  –  Full Moon
26 Nov 2040, 16:09 EST  –  Moon at Last Quarter

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