On March 25, on, Moldova will make the annual switch to summer time at 2 am, on Sunday, when clocks will move forward one hour. The official hour of Moldova switches from GMT+2 to GMT+3. Moldova switches to summer time concurrently with the EU member states as recommended by the UN Economic Commission for Europe. The summer time system has the aim to make better use of sunlight, so the main human activities to be performed as much as possible during daylight hours. Specialists estimated that this way economies save money on electric energy. The summer time is used till the last Sunday of October. Germans, followed by Britons, were the first to introduce the summer time system in the same year, in 1916. In Romania, the summer time was introduced for the first time in 1932, which functioned till 1939 between the first Sunday of April and the first Sunday of October, then between April 1, 1940, 00:00 am, and November 2, 1942, 03:00 am. Since 1943, the practice of switching to summer time was suspended, and reintroduced in 1977. Nowadays, 70 countries switch to summer time. This switch system is not used in equatorial countries and countries from the Tropic of Capricorn. Japan and China do not switch to summer time too.