yep, they can do what they want.--Answer1:Well Yes, its someones business, if they wish to work Christmas day then who are we to tell them they cant?.--Answer2:will probably be classed as Sunday trading so whatever laws apply to the shop in question during Sunday trading will apply on xmas day.--Answer3:america is not iran. we have individual freedoms. close it if you want to take the day off for christmas. open it if youd rather do business. you are the boss not the state..--Answer4:Yes why not especially if the owners are of a different religion to Christan. I think they do a very good job being there to supply all the forgotten items that we forget..--Answer5:no its perfectly legal...subways is open if you want sum last minute ideas for xmas dinner.--Answer6:in england it is. although im not sure if it is legal to force people to work christmas day..--Answer7:In what country though...?.--Answer8:Yes, why not as its not a Sunday when the only restriction is open for maximum 6hrs only..--Answer9:The law is that large shops (over 280 sq m/3,000 sq ft) must remain closed. However small shops (under that size) may open if they wish.Since youve asked this question in "Small Business" Im assuming that you mean a small shop so yep, its legal.