Holiday observed: Friday.

Retail stores: Open at discretion of owner.

Liquor stores: Open at discretion of owner.

Supermarkets: Open at discretion of owner.

Convenience stores: Open at discretion of owner.

Taverns, bars: Open at discretion of owner.

Banks: Open.

Stock market: Open.

Municipal, state, federal offices: Closed.

Libraries: Open.

Schools: Closed.

Mail: Post offices open.

MBTA: Subways, and buses on weekday schedule. Commuter rail on weekday schedule. Hingham and Charlestown commuter boats on weekday schedule. The Ride on a Friday schedule. For more information, call 617-222-3200.

Meters enforced. All other parking rules apply.

Trash/recycling collection: Trash pickup will operate on a regular schedule citywide.