What date is 100 days from today?

If you start today and count forward 100 days, you land on Friday, February 5, 2027. That date is a Friday, day 36 of 2027 and falls in ISO week 5. The gap is 100 calendar days, which is 14 weeks and 2 days.

Today is not counted as day 1: the first day counted is tomorrow (or yesterday when you count back). This is how deadlines, notice periods and delivery dates are usually calculated. Between the two dates there are 72 business days, Monday to Friday, before public holidays are taken off.

The answer above uses your own time zone, so it is always correct for where you are. To count from a different start date, or to skip weekends, use the calculator below.