Common uses
Date calculations are useful for project planning, billing cycles, travel schedules, exam countdowns and contract periods.
1984119.xyz
Date Calculator
Find date differences or add/subtract days.
Inclusive or exclusive
The day difference uses the natural interval between two dates and does not include the end date by default. Add one day if your rule is inclusive.
Timezone note
The tool uses local browser dates. For exact time differences across time zones, use a dedicated time tool.
FAQ
Can I calculate a countdown?
Yes. Use today as the start date and the target as the end date.
Can I subtract days?
Yes. Enter a negative day offset.