What's Open, What's Closed on Christmas Day

In Concord, all government offices will be closed for Christmas, including the public library and city hall. 
Many businesses will be closed as well but some, like restaurants and gas stations may be open. Make sure you call before heading to one place or another. 
The Huffington Post has a roundup of national chain restaurants that might be open in Concord on Christmas Day. 
Local business owners: What are your holiday hours? Post them in the comments section below!