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Astronomy Calendar — Upcoming Events

Check out the dates and times for astronomical events like equinoxes, solstices, meteor showers, eclipses, supermoons, and more.

Astronomical Events in 2023

Jan 4: Earth's Perihelion

Diagram showing the distance between the Sun and Earth at different times of the year (perihelion and aphelion).4Jan

At 16:17 UTC, the Earth will reach its perihelion—the point on its orbit closest to the Sun.

Mar 7: Worm Moon

A spring robin pulling out a worm.7 Mar

The Full Moon in March is traditionally called Worm Moon, after earthworms that tend to appear around this time in many locations in the Northern Hemisphere.

Mar 21: New Moon

Starry night sky over the mountain city in the fog21 Mar

Dark nights a few days before and after the Moon reaches its New Moon phase at 17:23 UTC on March 21 are the best nights to do some night sky watching.

Jun 18: New Moon

Illustration of the Moon's position in space in relation to Earth and the Sun at New Moon.18Jun

Make the most of a moonlight-free night to look for some stars and planets in the skies.

Jul 3: Buck Moon

Close-up shot of the rising Full Moon3 Jul

July’s Full Moon is known as the Buck Moon, signifying the new antlers that emerge on deer buck’s foreheads around this time. This year it falls at 11:38 UTC on July 3.

Jul 6: Earth's Aphelion

Diagram showing the distance between the Sun and Earth at different times of the year (perihelion and aphelion).6Jul

At 20:06 UTC, the Earth will reach its aphelion—the point on its orbit farthest from the Sun.

Sep 15: New Moon

Couple sitting outside their camp in the mountains under a starry night sky.15Sep

A New Moon in the sky means no moonlight to hinder your view of stars and planets. Use the Interactive Night Sky Map to find out what planets are visible tonight and where.

Oct 21/22: Orionid Meteor Shower

Orionids meteor shower21 Oct

The Orionids are the second meteor shower in October. The shower peaks on October 21-22 but usually remains active between October 2 and November 7. The best time to see these shooting stars is between midnight and sunrise.

Nov 17/18: Leonid Meteor Shower

Illustration image17 Nov

The Leonids' shooting stars are visible between November 6 and 30, and peak on the night of November 17 and early morning of November 18, with up to 15 meteors per hour.

Dec 14/15: Geminid Meteors

Illustration image14 Dec

One of the best meteor showers of the year, the Geminids peak on the night of December 14 and early morning hours of December 15. This is just after New Moon, which should make this a great year for the Geminids.

Note: All dates are UTC, unless otherwise stated.

Topics: Astronomy, Eclipses, Equinox, Moon, Sun, Comets, Meteors, Solstice, January, February, March, April, May, June, July, August, September, October, November, December