Free planning tool
What date is a number of days from a date?
Last reviewed .
Add or subtract calendar days from any date and see the resulting date instantly. Free, browser-only, with the method explained. Print or save the result.
Planning aid. Not a legal, tax, or visa determination.
Use the tool
Modes include Which date, and how many days?, Recurring-date projector.
| Step or field | Result |
|---|---|
| suggested Date | December 15, 2026 |
How is the result worked out?
The start date is shifted by the number of days using date-only arithmetic. Month lengths and leap years are handled by the calendar, and no local time or time zone is involved, so the answer is the same on every device.
Values stay in this browser. Permalinks store state only in the URL fragment.
Merged tools
- Recurring-date projector. The tool advances the prior occurrence by the chosen number of days, weeks, months, or years. Month and year changes clamp to the last valid day.
US document preparation
Use the official FBI request route first.
FBI background check with apostille. USD 217 standard case.