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

484 days

From Friday, December 31, 2027 to Thursday, September 3, 2026.

Monday–Friday weekdays346
Weeks and days69w 1d
Calendar span1 year, 3 months, 28 days

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