Holidays are seasonal events in Tomodachi Life. On certain holidays (such as Christmas), there will be food associated with the current holiday available to buy on that day only in the daily specials. After the item has been bought, it will appear in the regular food catalogue.
Japanese version holiday food:
January 1st-3rd: O-sechi (Japanese New year food) Mochi soup (O-souni).
February 3rd: Setsubun Holiday, large sushi roll (ehoumaki) and roasted beans(fukumame)
February 14th: Valentine's Day: Box of chocolates (giri-choco) and hand made chocolate (tetsukuri-choco)
Christmas Day: Roast turkey with all the trimmings.
On the player's birthday, a special event will be held where the player will be presented with a birthday cake by the islanders. This cannot be bought in shops, but will be added to the item list. The player's look-alike will also have a news broadcast with their birthday announced. Other Mii islanders will also have a special news cast broadcast for their birthday, but no cake will be given out.
The birthday song is to the tune of the traditional "Happy Birthday" song with the lyrics changed to "la la la", except the line "Dear [Mii]", possibly because the song was copyrighted when the game came out.
4th of July: Independence Day (US)
On the Fourth of July, in the American version, the shop interiors will change slightly. For instance, the Pawn Shop has a photo of a hamburger and a hotdog on a red, white, and blue background in the background. Independence Day celebrates the day The US gained its independence from Great Britain, following the Revolutionary War.
7th of July: Tanabata (Japan)
On the 7th of July, shops in the Japanese version shops are decorated with bamboo. This is the Star Festival, Tanabata, where you attach your wishes to the bamboo to be heard by the reunited lovers on this day. There is no special food for this day.
31st of October: Halloween
On Halloween, the shops will be decorated with Halloween-themed designs. Upon entering the shop, the shop keeper will welcome the player by saying, "Trick or treat!"
On the day of the Super Bowl, the shopkeepers will wear football uniforms. The Food Mart will be decorated with a football and a football poster.
26th of January: Australia Day (AUS)
On Australia day, all the shops will be decorated with Australian flags and balloons. Australia day celebrates the day Australia was first discovered by British explorers in 1788, becoming a part of the British Empire.
25th of December: Christmas
In all versions, the island and shops have a Christmas theme. In various shops, they will be decorated with festive items, such as Christmas trees and wreathes, while a festive theme plays in all of the shops in place of the normal themes. The shopkeepers will also wear santa outfits and say "Happy Holidays" when the player first enters. The special food sold on this day is Roast Turkey. Christmas, typically a holiday in Christianity, celebrates the birth of Jesus Christ in Bethlehem.