October 13, 1884 (Jiashen August 25), the international standard time of day.


Pictured British capital London suburb of Greenwich Observatory's standard clock.
10 13th is a day of international standard time. October 13, 1884, the the international astronomers representatives meeting held in Washington decided to go through the warp the London East Nangelinni governance of the prime meridian, the starting point as the calculation of the starting point of geography and world standard time zone. Later in October 13 of each year as the International Standard Time Day.
council: China and the world becomes increasingly standards