Date Calculator
Find the difference between two dates in days/weeks/months, or add and subtract days from a date.
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This tool runs locally in your browser — your content is never uploaded to a server.
How to use
- 1.Pick a mode: “Difference” between two dates, or “Add/Subtract” days from a date.
- 2.In Difference mode choose the start and end dates — total days, weeks, months and years update live.
- 3.In Add/Subtract mode pick a base date, enter a number of days (negative for past), and get the resulting date with its weekday.
- 4.Click “Copy” next to a result; change any date to recalculate instantly.
FAQ
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