When Does Summer Start 2024 Canada. Here are the equinox and solstice dates—plus, answers to common questions about the. In 2024, summer solstice in the northern hemisphere will occur on thursday, june 20 around 4:50 p.m.

Is the solstice the longest day of the year?—and more! The summer solstice is the first day of astronomical summer, although the more logical metrological summer begins december 1st / june 1st (depending on hemisphere).