Date Calculator
Calculate days between dates, add or subtract days, and count down to any date. Free, no sign-up.
Total Days
0
Weeks
0.0
Business Days
1
Mon–Fri only
About these calculators
Days Between Dates
Count the total days, weeks, and business days between any two dates. Useful for project planning, contract durations, and deadline tracking.
Add / Subtract Days
Start from any date and add or subtract a number of days to find the resulting date and day of the week. Handy for scheduling and notice periods.
Days Until a Date
Enter a future date to see the D-day countdown in days, weeks, and months. Great for countdowns to holidays, events, or deadlines.