This form calculates a date that is x number of days from an initial date.
It does not count the first day, i.e. 10 days from June 10th is June 20th.
Caution: This is just a mathematical date calculator. It does not apply
legal rules like exclusion of holidays. See the bottom of this page for
references to the rules. You must apply the rules yourself.
Fed. Rules. Civ. Proc.