It is on April 10th in 2013, but is on April 9th in leap years.
The 100th day of the calendar year, starting from January 1, is April 10. This is calculated by adding the days in January (31), February (28 in a common year), and March (31) to reach 90 days by the end of March, and then counting an additional 10 days into April. In a leap year, the 100th day would be April 9.
The 100 day of the year is either April 10th - or April 9th in a leap year.
The 100th day of the year is April 10, on a normal calendar year, April 9 on a leap year.
Saturday the 9th of April 2016.
10th April, 2022 ... It is the 100th Day of Calendar Year starting from 1st January.
The 9th of April was the 100th day of the year 2000.
Saturday the 9th of April 2016.
Saturday the 9th of April 2016.
The 100th day of the year 2012 is April 9th (because of a leap year).
Saturday the 9th of April 2016.
The 100th day of the calendar year is April 10 in a non-leap year. In a leap year, it falls on April 9. This calculation accounts for the days in each month: January has 31 days, February has 28 (or 29 in a leap year), and March has 31 days.
The 100th day of the calendar year 2017 is April 10. January has 31 days, February has 28 days (2017 is not a leap year), and March has 31 days, totaling 90 days by the end of March. Adding 10 more days brings you to April 10.