The Longest Day In The 2024. The summer solstice for the northern hemisphere occurs on june 20, 2024, at 4:51 p.m. I've always thought it was the longest day of the year, but it is actually the longest day of daylight in the year.

The summer solstice this year will be the earliest in more than 200 years. The longest day in canada is 24 hours long i.e.