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

190 days

From Friday, March 12, 2027 to Thursday, September 3, 2026.

Monday–Friday weekdays136
Weeks and days27w 1d
Calendar span6 months, 9 days

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