In most of the world, the day is considered to begin at 12:00 Midnight. If you watch a properly adjusted calendar-clock, wristwatch, or computer, you'll see that the date changes at Midnight.
In 2013, World Math Day is [tomorrow] March 6th .
12:00 a.m.
April 25th 2007.
It didn't begin in 2039.
June 6th, 1943
First December of each and every year is the world Aid day.
You mean World Sight Day which is held the second Thursday each October.
The different countries didn't agree with each other
July 28! :) my bday..
The day begins at 0000/12am everywhere. The calendars turn to the next day at the International Dateline in the middle of the Pacific.
"World Press Freedom Day" is celebrated on May 3rd each year.