The year-end and New Year holiday period (typically around Dec. 29–Jan. 3 in Japan), when businesses and public offices often close.
年末年始は銀行が休みになるので、振込は早めに済ませてください。
Banks close during the year-end and New Year holidays, so please make transfers early.
帰省ラッシュは年末年始に集中するため、新幹線のチケットは早めに予約したほうがいい。
Because the homecoming rush is concentrated during the year-end and New Year period, it's best to book shinkansen tickets early.
今年の年末年始は例年より寒くなりそうだと天気予報が言っていた。
The weather forecast said this year's year-end and New Year period will likely be colder than usual.