In Japan, similar to the Western custom of sending Christmas cards, there is a tradition of sending new year's greeting cards known as nengajo (). Because they are now written on postcards, they are often referred to as nenga-hagaki, or new year's postcards. If you want to surprise your Japanese relatives, friends, and coworkers by celebrating the new year in a traditional Japanese way, here are a few tips on how to write the perfect nengajo!