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Date & Time
Add / Subtract Days
Add or subtract any number of days from a date and get the resulting date and its weekday. Enter a negative number to go backwards.
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Worked example
Result: 2026-10-23 · Weekday: Friday
Inputs
- Date
today's date, filled in automatically - Days (±)
90
Frequently asked
How do I subtract days?
Enter a negative number in the days field.
Does it show the weekday?
Yes — the resulting day of the week is shown alongside the date.