site.btaAstronomical Spring Begins in Bulgaria at 11:01 AM on Thursday

Astronomical spring begins in Bulgaria at 11:01 am on Thursday, March 20. This is also the day of the vernal equinox, the National Institute of Meteorology and Hydrology (NIMH) said.

The sun rose in Sofia on Thursday morning at 6:30 am and will set at 6:39 pm. The length of the day is 12 hours and 9 minutes. 

Astronomically, spring begins with the vernal equinox around March 21 in the Northern Hemisphere and around September 23 in the Southern Hemisphere.

Spring ends with the summer solstice around June 21 in the Northern Hemisphere and December 21 in the Southern Hemisphere.

The spring months in the Northern Hemisphere are March, April and May, and in the Southern Hemisphere they are September, October and November.

In spring, the days begin to become longer than the nights, temperatures rise, and nature returns to an active life.