Astronomy Calendar of Celestial Events

This astronomy calendar of celestial events contains dates for notable celestial events including moon phases,meteor showers, eclipses, oppositions, conjunctions, and other interesting events. 

Partial Lunar Eclipse

8/7/2017   Online Event

A partial lunar eclipse occurs when the Moon passes through the Earth's partial shadow, or penumbra, and only a portion of it passes through the darkest shadow, or umbra.


Full Moon

1/2/2018   Online Event

The Moon will be directly opposite the Earth from the Sun and will be fully illuminated as seen from Earth. This phase occurs at 02:24 UTC.


March Equinox

3/20/2019   Online Event

The March equinox occurs at 21:58 UTC. The Sun will shine directly on the equator and there will be nearly equal amounts of day and night throughout the world. This is also the first day of spring (vernal equinox) in the Northern Hemisphere and the first day of fall (autumnal equinox) in the Southern Hemisphere.


Quadrantids Meteor Shower

1/3/2020 - 1/4/2020   Online Event

The Quadrantids is an above average shower, with up to 40 meteors per hour at its peak.