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

4,526 days

From Thursday, January 27, 2039 to Sunday, September 6, 2026.

Monday–Friday weekdays3,234
Weeks and days646w 4d
Calendar span12 years, 4 months, 21 days

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