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

45,002 days

From Friday, November 21, 2149 to Saturday, September 5, 2026.

Monday–Friday weekdays32,145
Weeks and days6,428w 6d
Calendar span123 years, 2 months, 16 days

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