The summer season, marked by the summer solstice, will begin in Azerbaijan on June 21 at 06:42:11, according to the Department of Astrophysics at the Faculty of Physics of Baku State University (BSU).

At this precise moment, the tilt of the Earth's axis will be at its smallest angle relative to the Sun. In Baku, the Sun will reach its highest point in the sky at noon, standing at an altitude of 73.1° above the horizon.

June 21 will be the longest day of the year, with 15 hours, 3 minutes, and 24 seconds of daylight. Conversely, the night will be the shortest, lasting 8 hours, 56 minutes, and 36 seconds.

The summer season will last for 93 days, 15 hours, 37 minutes, and 5 seconds.