Add or subtract days
Jump a date forwards or backwards. Try +7 or +14 from the chips, then open the matching month calendar.
Enter a date and a whole number of days. Negative numbers move into the past.
Tuesday 20 October 2026
That date is a Tuesday in ISO week 43.
Date: 2026-10-20
Weekday: Tuesday
ISO week: 43
How this works
Positive numbers move forwards; negative numbers move backwards. The result is a Gregorian calendar date you can open as a month page.
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