First Day Of Summer 2024 Calendar 2024. Summer 2024 starts on thursday, june 20th in the northern hemisphere, with the first day of summer being the longest daylight day of the year with the earth's. This year's summer solstice will arrive this thursday on june 20 for the northern hemisphere, according to nasa.

The kline school of law and college of medicine provide programs that operate on a unique academic calendar. Here are the equinox and solstice dates—plus, answers to common questions.