Solar Conjunction

by Dominic Ford, Editor
Last updated: 16 Jul 2020
Solar Conjunction

The Moon appears as a thin crescent when it is close to solar conjunction, which is better known as new moon. Simulated image courtesy of Tom Ruen.

An object is said to be at solar conjunction when it makes its closest approach to the Sun in the sky.

The planets are typically lost in the Sun's glare and impossible to observe for a few weeks when they pass solar conjunction. Mercury can reappear within only a few days, since it moves around its orbit so quickly that it can pass from solar conjunction to maximum elongation in less than a month.

List of solar conjunctions

The table below lists the dates when objects are at solar conjunction in 2024, computed from NASA's DE430 planetary ephemeris. To show events in other years, use the control below.

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Objects at solar conjunction in 2024

Date Object Full description
of event
Date Object Full description
of event
20 Jan 2024 13:54 PST134340 Pluto at solar conjunctionMore information »
28 Feb 2024 00:52 PSTMercury at solar conjunctionMore information »
28 Feb 2024 13:15 PSTSaturn at solar conjunctionMore information »
17 Mar 2024 04:13 PDTNeptune at solar conjunctionMore information »
11 Apr 2024 15:58 PDTMercury at solar conjunctionMore information »
14 Apr 2024 07:41 PDT136199 Eris at solar conjunctionMore information »
13 May 2024 02:04 PDTUranus at solar conjunctionMore information »
18 May 2024 11:34 PDTJupiter at solar conjunctionMore information »
04 Jun 2024 09:03 PDTVenus at solar conjunctionMore information »
14 Jun 2024 09:38 PDTMercury at solar conjunctionMore information »
18 Aug 2024 18:53 PDTMercury at solar conjunctionMore information »
30 Sep 2024 14:19 PDTMercury at solar conjunctionMore information »
03 Oct 2024 01:18 PDT136472 Makemake at solar conjunctionMore information »
24 Oct 2024 14:13 PDT136108 Haumea at solar conjunctionMore information »
05 Dec 2024 18:14 PSTMercury at solar conjunctionMore information »

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