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

100,052 days

From Monday, August 13, 2300 to Sunday, September 6, 2026.

Monday–Friday weekdays71,466
Weeks and days14,293w 1d
Calendar span273 years, 11 months, 7 days

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