46 C.F.R. § 502.101 Computation.
Title 46 - Shipping
In computing any period of time under the rules in this part, the time begins with the day following the act, event, or default, and includes the last day of the period, unless it is a Saturday, Sunday, or national legal holiday, in which event the period runs until the end of the next day which is not a Saturday, Sunday, or national legal holiday. When the period of time prescribed or allowed is less than seven (7) days, intermediate Saturdays, Sundays, or national legal holidays shall be excluded from the computation. [Rule 101.]
Title 46: Shipping
PART 502—RULES OF PRACTICE AND PROCEDURE
Subpart G—Time
§ 502.101 Computation.