Holidays are skipped over unless a schedule is explicitly set to the date. If you choose to schedule a transaction on a holiday, the transaction will still be sent over to ACHWorks, however, they will not process it until the next banking day.
Below is the list of Federal Banking Holidays.
New Year's Day - January 1
Martin Luther King - 3rd Monday in January
President's Day - 3rd Monday in February
Memorial Day - Last Monday in May
Independence Day - July 4
Labor Day - 1st Monday in September
Columbus Day - 2nd Monday in October
Veteran's Day - November 11
Thanksgiving Day - 4th Thursday in November
Christmas Day - December 25
NOTE: If Jan 1, July 4, Nov 11, or Dec 25 fall on a Sunday, the following Monday is observed as the Holiday. Saturday holidays do not impact banking days.