Presidents' Day is observed Monday, Feb. 18. Here's a list of what's open and closed during the holiday. Somerville businesses—if you're open, leave your store's hours in the comments below.

Closed

• Somerville City Hall
• Somerville Public Library
• Somerville schools: On vacation this week
• Post Offices
• Stock market
• Banks
• MBTA: Operating on a Saturday schedule.
• Parking meters: Not in effect
  
• Trash/Recycling: Delayed one day this week

Open

• Retail stores
• Supermarkets and liquor stores
• Convenience stores 
  
• Bars and restaurants