Consumer Bankruptcy Law and Practice: Text of Rule 9006
(a) Computing time. The following rules apply in computing any time period specified in these rules, in the Federal Rules of Civil Procedure, in any local rule or court order, or in any statute that does not specify a method of computing time.
(1) Period stated in days or a longer unit. When the period is stated in days or a longer unit of time:
(A) exclude the day of the event that triggers the period;