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

1,278 days

From Monday, March 4, 2030 to Thursday, September 3, 2026.

Monday–Friday weekdays912
Weeks and days182w 4d
Calendar span3 years, 6 months, 1 day

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