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

109,663 days

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

Monday–Friday weekdays78,331

Weeks and days15,666w 1d

Calendar span300 years, 3 months

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