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

194,868 days

From Thursday, March 20, 2560 to Tuesday, September 8, 2026.

Monday–Friday weekdays139,192
Weeks and days27,838w 2d
Calendar span533 years, 6 months, 12 days

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