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

4,530 days

From Monday, January 31, 2039 to Sunday, September 6, 2026.

Monday–Friday weekdays3,236
Weeks and days647w 1d
Calendar span12 years, 4 months, 25 days

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