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 2645?

Friday, 20 June 2645

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 2645?: Summer Solstice 2645 is on Friday, 20 June 2645.
What day of the week is Summer Solstice 2645?: It falls on Friday.
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.