Christmas songs is called Christmas songs for a reason.
• United States
@Scrapper88 To clarify I have shared a link to WIkipedia which has the indicated dates explained toward the bottom. I'm not a big fan of the site but in this case they get it pretty much right.
• Riga, Latvia
You have the right idea but it just never works that way. Here in Latvia they play Christmas songs all month long. If they play I Christmas song in January then I get upset because by that time these songs have to be put away for another year.