📆 Date Calculator
Duration between two dates, add or subtract days, exclude weekends, presets for 7 / 30 / 90 / 100-day milestones.
Duration between dates
Add or subtract days
How it works
Day arithmetic on the proleptic Gregorian calendar, ignoring time zones. "Exclude weekends" treats Saturday and Sunday as zero-day skips, which approximates business days; public holidays are not subtracted.
