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

317 days

From Saturday, July 17, 2027 to Thursday, September 3, 2026.

Monday–Friday weekdays226
Weeks and days45w 2d
Calendar span10 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.