Date & Day Interval Calculator
Calculate days between two dates, working business days, or add/subtract time from any calendar date.
Date & Day Interval Calculator
Calculate days between dates, working business days, or add/subtract time from any date
About Date & Day Interval Calculator
Calculate exact time duration between two dates, count business working days (Monday-Friday) excluding weekends, or add/subtract days from a date to find future milestones and project deadlines.
Calculation Formula & Rules
How to Calculate Step-by-Step
Choose "Days Between Dates" or "Add/Subtract Days".
Select start date and end date.
View total calendar days, working business days, and weekend count.
Frequently Asked Questions
How are business days calculated?
Business days count every weekday from Monday to Friday, automatically excluding Saturdays and Sundays.
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