Beginning at 4:30 p.m. ET, the Supreme Court building will be closed to the public until further notice, according to a note sent out by the court's public information officer.
The building will remain open for official business, and case filing deadlines are not extended under Rule 30.1, according to the statement.
Rule 30.1 of the "Rules of the Supreme Court" reads:
In the computation of any period of time prescribed or allowed by these Rules, by order of the Court, or by an applicable statute, the day of the act, event, or default from which the designated period begins to run is not included. The last day of the period shall be included, unless it is a Saturday, Sunday, federal legal holiday listed in 5 U. S. C. § 6103, or day on which the Court building is closed by order of the Court or the Chief Justice, in which event the period shall extend until the end of the next day that is not a Saturday, Sunday, federal legal holiday, or day on which the Court building is closed.