Everyday tool
Date Calculator
Compare two dates or move forward and backward from a starting date.
Runs in your browser. No upload.
Days between dates
Add or subtract days
Dates are calculated in your browser.
About this tool
Date Calculator made simple.
Useful for deadlines, planning, contracts, schedules and simple date calculations in your local time zone.
Common questions
About Date Calculator.
How do I calculate days between two dates?
Choose a start date and an end date, then select Calculate difference to see the number of days between them.
Can I add or subtract days from a date?
Yes. Enter a starting date and a whole number of days. Use a negative number to subtract days.