1.
the New Year period (while the pine decorations are up)
The first days of the year during which 門松 and other New Year decorations stay up: until January 7 in most of Japan, until January 15 in parts of the Kansai region.
松 (pine, from the 門松 pine decorations) + の内 (within).
Common collocations
- 松の内が明ける: the New Year period ends
- 松の内に: during the New Year period
- 松の内を過ぎる: to be past the New Year period
Cultural note
New Year greetings and cards (年賀状) belong to the 松の内; after it, people say 寒中お見舞い申し上げます instead. The decorations are taken down when it ends.