Days Between Dates Calculator

Calculate the exact number of days, weeks, months, and years between two dates. Includes business days calculation.

Build comprehensive project timelines alongside TimezoneToolbox and sync cross-team deadlines with CalendarIQ once you have the exact day counts.

Start Date *

End Date *

Exclude weekends (business days only)Exclude US federal holidays

Select both dates to see the calculation

Related Calculators

Date Calculator

Add or subtract days, weeks, months from a date

Business Days

Calculate working days excluding weekends

Countdown

Days until or since a specific date

Need more date tools? Check out TimezoneToolbox for time and timezone utilities for teams, and pair your schedules with CalendarIQ to keep every milestone aligned.