Summer Solstice 2024 Time Est. The summer solstice is the time when the sun reaches its highest and northernmost points in the sky, according to the farmer's almanac, marking the first day of. The summer solstice marks the beginning of astronomical summer in the northern hemisphere and astronomical winter in the southern hemisphere.

The summer solstice is the time when the sun reaches its highest and northernmost points in the sky, according to the farmer’s almanac, marking the first day of. Edt on june 20, according to timeanddate.com.