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 | 30 | 31 |

Today is Monday, May 30th, 2016. It is the 151st day of the year, and in the 22nd week of the year (assuming each week starts on a Sunday). There are 31 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 1980

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 September 17th, 1912 and May 30th, 2016

number of days between May 30th, 2016 and May 28th, 2023

number of days between March 25th, 1952 and January 5th, 2030

number of days between May 8th, 1922 and July 7th, 1976

number of days between May 3rd, 2022 and December 22nd, 2037

number of days between August 7th, 1980 and November 24th, 2017

number of days between January 24th, 1906 and March 30th, 2004

number of days between June 27th, 1958 and March 6th, 2020

number of days between May 16th, 1913 and March 17th, 1924

number of days between January 3rd, 1949 and September 28th, 1966

number of days between July 10th, 1972 and September 6th, 2010

number of days between September 26th, 1921 and April 11th, 1927

number of days between June 26th, 1939 and August 6th, 1944

number of days between December 28th, 1901 and March 4th, 1913

number of days between December 27th, 1923 and September 2nd, 1946

number of days between January 5th, 1989 and May 23rd, 2029

number of days between March 28th, 1902 and May 25th, 1911

number of days between December 17th, 1901 and October 23rd, 1902

number of days between November 9th, 1933 and July 13th, 1959

number of days between April 12th, 1918 and August 5th, 1940

number of days between January 27th, 1910 and September 22nd, 1961

number of days between July 27th, 1904 and September 6th, 1915

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