This site provides an online date calculator to help you find the difference in the number of days between any two calendar dates. Simply enter the start and end date to calculate the duration of any event. You can also use this tool to determine how many days have passed since your birthday, or measure the amount of time until your baby's due date. The calculations use the Gregorian calendar, which was created in 1582 and later adopted in 1752 by Britain and the eastern part of what is now the United States. For best results, use dates after 1752 or verify any data if you are doing genealogy research. Historical calendars have many variations, including the ancient Roman calendar and the Julian calendar. Leap years are used to match the calendar year with the astronomical year.

**Note:** If you're trying to figure out the date that
occurs in X days from today, switch to the **Days From Now calculator**
instead. Or to calculate the date that is X days from a particular date,
use the **Days From Date calculator**.
Finally, if you want to choose a day in the week and count how many
times it occurs in a given year, try out the **How Many Days calculator**.

Su | M | Tu | W | Th | F | Sa |

1 | 2 | 3 | 4 | 5 | 6 | |

7 | 8 | 9 | 10 | 11 | 12 | 13 |

14 | 15 | 16 | 17 | 18 | 19 | 20 |

21 | 22 | 23 | 24 | 25 | 26 | 27 |

28 | 29 |

Today is Thursday, February 11th, 2016. It is the 42nd day of the year, and in the 6th week of the year (assuming each week starts on a Sunday). There are 29 days in this month. 2016 is a leap year, so there are 366 days in this year.

number of days in 2016

number of days in 2015

number of days in 2017

number of days in 2035

number of days in January

number of days in February

number of days in March

number of days in April

number of days in May

number of days in June

number of days in July

number of days in August

number of days in September

number of days in October

number of days in November

number of days in December

number of days between December 19th, 1932 and February 11th, 2016

number of days between February 11th, 2016 and February 29th, 2020

number of days between January 20th, 1940 and November 6th, 1951

number of days between March 20th, 1981 and May 12th, 1999

number of days between November 5th, 1985 and October 6th, 2032

number of days between June 23rd, 1902 and June 16th, 1908

number of days between October 16th, 1943 and November 7th, 2006

number of days between March 30th, 1906 and February 6th, 1931

number of days between December 24th, 1937 and July 21st, 1949

number of days between October 29th, 1965 and April 26th, 2026

number of days between January 11th, 1934 and November 29th, 1982

number of days between January 2nd, 1914 and January 26th, 1975

number of days between July 16th, 1931 and April 13th, 1945

number of days between December 25th, 1906 and August 27th, 1908

number of days between March 4th, 1986 and April 18th, 2030

number of days between September 18th, 1918 and February 24th, 1932

number of days between September 2nd, 1944 and July 6th, 1988

number of days between March 20th, 1902 and August 15th, 2002

number of days between November 22nd, 1917 and December 16th, 1936

number of days between March 20th, 1926 and January 22nd, 2013

number of days between April 30th, 1913 and February 14th, 1915

number of days between March 30th, 1937 and August 21st, 1942

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