Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

The end date comes before the start date

109,677 days

From Monday, December 20, 2326 to Sunday, September 6, 2026.

Monday–Friday weekdays78,341
Weeks and days15,668w 1d
Calendar span300 years, 3 months, 14 days

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.