Astronomical summer began in Azerbaijan on June 21 at 18:57, Report informs.
At that time, the Earth's axis of rotation forms the smallest angle with the direction of the Sun, or the Sun is at its maximum height above the horizon at noon that day (73⁰.1). Daytime is the longest daytime and the night is the shortest on that day. The length of the day will be 15 hours 3 minutes 24 seconds, and the duration of the night - 8 hours 56 minutes 36 seconds.