From March 28 to 29th, at 3.00 o'clock in the morning the most of countries of the world as well as Moldova will put a clock on. Thus, we will start to live on summertime. The putting of clock back into winter time will occur traditionally on last Sunday of October.

Let's note that the economy of power resources is the main motivation of this event. For the first time the putting a clock was in the Great Britain in 1908.