Maude Sherill

First Official Day Of Summer 2024 Canada. When is the summer solstice 2024? This page contains a national calendar of all 2024 public holidays for canada.

Fall begins with the autumnal equinox, sunday, september 22, 2024, 8:44 a.m. Thursday, june 20 is the official first day of northern astronomical summer for 2024 — summer solstice — which is the longest day of the year for this half of the planet.