Islamic calendar lunar months begin precisely at the time of the monthly "conjunction", when the Moon is located most directly between the Earth and the Sun. The month is defined as the average duration of a revolution of the Moon around the Earth (29.53 days). By convention, months of 30 days and 29 days succeed each other, adding up over two successive months to 59 full days. This leaves only a small monthly variation of 44 minutes to account for, which adds up to a total of 24 hours (i.e., the equivalent of one full day) in 2.73 years. To settle accounts,
Brno 2 Hours 30 Minutes Brno 2 Hours 30 Minutes The Brno 2 Hours 30 Minutes was a sports car endurance race held at the Automotodrom Brno in Brno, Czech Republic. The race was first held in 1988 as a round of the World Sportscar Championship. It was revived in 1997 for the International Sports Racing Series, and continued until 2002 under the FIA Sportscar Championship. It has since been absorbed into the 24H Series, which in 2015 organised the Hankook 12 Hours Epilog of Brno, and in 2016 the Hankook 24 Hours Epilog of Brno. This was the first ever 24 hours endurance race