Holiday observed: Monday.

Retail stores: Open at owner’s discretion.

Liquor stores: Open at owner’s discretion.

Supermarkets: Open.

Convenience stores: Open.

Taverns, bars: Open.

Banks: Closed.

Stock market: Open.

Municipal and state offices: Closed.

Federal offices: Closed.

Libraries: Closed.

Schools: Closed.

Mail: Post offices are closed; express delivery only.

MBTA: All four subway lines, buses, and The RIDE will operate on a Saturday schedule. The Silver Line and Commuter Rail lines will operate on a regular weekday schedule.

Boston traffic rules: Parking meters are not in effect. All other traffic rules apply.

Street sweeping: There will be no daytime street sweeping on Monday.

Boston’s trash collection: Collection will be delayed one day for residents of Allston, Brighton, Dorchester, East Boston, Hyde Park, Mattapan, Roslindale, and West Roxbury. Residents of Jamaica Plain whose trash is picked up twice per week do not have a delay.