if a package was shipped out on Friday December 26th when would it arrive if it takes 2-3 priority mail. Answer1:No Saturday is not a business day but mail still goes out on Saturday. Answer2:Monday Answer3:Yes friday is a business day. That is UNLESS it is a holiday. And it all depends on when they ship it out when you will get it. Answer4:nope. monday thru friday excluding major holidays Answer5:no. Answer6:~~If it started shipping on the 26th then you will receive it on Tuesday or Wednesday.~~