Calculate Days, Hours & Time Intervals Between Two Dates
Instantly find the difference in days, hours, or weeks between two dates — or add/subtract time to plan deadlines and events faster.
Free Tool – No Signup Needed
Add / Subtract Days
Start Date
Days (+ add / − subtract)
Include time?
Resulting Date
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Tip: enter a negative number to subtract days.
Business Days Between Dates
Start Date
End Date
Optional Holidays (comma-separated YYYY-MM-DD)
Business Days
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Weekends (Sat/Sun) are excluded. Provided holidays are also excluded.
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