Add Days to a Date Calculator

Your details

The date you want to count forward or backward from.
Choose whether to move forward into the future or backward into the past.
Whole years to add or subtract.
yr
Whole months to add or subtract.
mo
Each week equals 7 calendar days (or 5 business days in business-days mode).
wk
Individual days to add or subtract on top of any years, months, and weeks.
days
When on, each "day" counts only Monday through Friday. Weeks in this mode are 5 working days each. Months and years are always calendar-based.
Result date
Sunday, 11 October 2026

The date after adding or subtracting your chosen amount.

Day of weekSunday
Calendar days moved30
Days from today30
Expressed as weeks + days4 weeks and 2 days
30 days from today
  • 1 yr ago
  • 6 mo ago
  • 90 days ago
  • Today
  • 90 days ahead
  • 6 mo ahead
  • 1 yr ahead

The result is Sunday, 11 October 2026.

  • The result is 30 calendar days after your start date.
  • The result date is 30 days from today (in the future).

Next stepNeed to count only working days? Toggle "Business days only" to skip Saturdays and Sundays automatically.

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