We always put ours up two weeks before christmas and because I'm a pommie they are removed 5th of Jan (Before 12th night) to keep bad luck away. We hold the old highland tradition of christmas gifts under the tree and Hogmanay(new year)small gifts in the tree (to bring prosperity to the person)which are opened 1st January. DH never celebrated Christmas so has been happy to adopt my traditions and now enjoys christmas, although still trying to get him to understand about Santa