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

252,106 days

From Sunday, December 10, 2716 to Saturday, September 12, 2026.

Monday–Friday weekdays180,075
Weeks and days36,015w 1d
Calendar span690 years, 2 months, 28 days

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