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Everyday Tools
Free online tool
Measure the time between dates or move a date forward and backward by a number of days.
Tool workspace
Enter the details the tool needs, then review the result before using it.
Planning deadlines, calculating durations and checking date-based schedules.
Choose inclusive or exclusive counting carefully when the exact number of calendar days matters.
It does not determine business days, public holidays or jurisdiction-specific working calendars.
How to use it
Use the controls above, check the result, then copy or download it when available.
Yes. Use the date arithmetic controls to move a date forward or backward.
Use this tool whenever you need: Planning deadlines, calculating durations and checking date-based schedules. It offers a fast, client-side workflow without sign-ups, installation or complex software.
Yes. All processing executes locally in your browser using client-side JavaScript. Your inputs, files and calculations remain private and are never uploaded to our servers.
Choose inclusive or exclusive counting carefully when the exact number of calendar days matters. Important note: It does not determine business days, public holidays or jurisdiction-specific working calendars.
Related
Calculate with dates
Find the difference between dates or move a date by days.
Date difference
0 days
The two dates are the same.
Date differences count full calendar days. Results do not account for time zones or business days.