How is Summer Solstice calculated?

This event is based on the astronomical moment when the Sun reaches its northernmost point in the sky each year.

When is Summer Solstice 2721?

Tuesday, 21 June 2721

Summer Solstice is the astronomical point when the Sun reaches its northernmost position in the sky, bringing the longest day of the year in the Northern Hemisphere and marking the start of astronomical summer.

Also known as

June Solstice

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Frequently asked questions

When is Summer Solstice 2721?: Summer Solstice 2721 is on Tuesday, 21 June 2721.
What day of the week is Summer Solstice 2721?: It falls on Tuesday.
How is Summer Solstice calculated?: This event is based on the astronomical moment when the Sun reaches its northernmost point in the sky each year.