13 C.F.R. § 134.1202
(c)
(2) If the last day is Saturday, Sunday, or a Federal holiday, the time period ends on the next business day.
Example: On a Thursday, a borrower receives a final SBA loan review decision. The time period begins on Thursday, so the first day to count is Friday. Because the 30th calendar day after receipt of the decision is a Saturday, the appeal deadline extends to the next business day, which is Monday.
(3)
(i) A Judge may modify any time period or deadline, except: