When Does Summer Start 2024 Dates Usa. Summer calendar 2024 for united. Summer solstice 2024 (beginning of astronomical summer) on the day of the summer (june) solstice, the solar disk, moving along the ecliptic, will fall into its northernmost.

Learn what the solstice means, how long the day will last and when the other seasons start and end. Here are the equinox and solstice dates—plus, answers to common questions.