First Day Of Summer 20254 2025 Calendar

First Day Of Summer 20254 2025 Calendar. Summer begins with the solstice on friday, june 20, 2025, marking the astronomical first day of summer in the northern hemisphere. Known in icelandic as 'sumardagurinn fyrsti', the first thursday after april 18th is an icelandic public holiday that.

Dates and times listed below are. And see for each day the sunrise and sunset in april 2025 calendar.