Date difference calculator
Total days
—
Weeks + days
—
Years, months, days
—
Business days (Mon–Fri)
—
What is Date difference calculator?
Calculates exactly how much time sits between two dates — in total days, weeks, a years/months/days breakdown, and business days only — useful for deadlines, age calculations, and project timelines.
How to use it
Pick a start and end date; every measure of the difference updates together, including a business-days-only count that skips weekends.
Example
Jan 1, 2026 to Aug 30, 2026 -> 241 days, 34 weeks 3 days, 7 months 29 days.