Translation guide
In Japanese, the start of the New Year is expressed with specific verbs and phrases that reflect cultural nuances. The most common way is to use 明ける (akeru) for the new year 'dawning' or 'beginning'. Other expressions emphasize the arrival or opening of the year.
The New Year has begun.
When the New Year begins, many people go for hatsumōde (first shrine visit).
A slightly more casual version, using 年 (toshi) instead of 新年. It is very common in everyday speech.
I'll contact you again after the New Year begins.
A more literal translation using 始まる (hajimaru, 'to begin'). It is understandable but less idiomatic than 明ける.
A new year has begun.
Focusing on the arrival or coming of the New Year, often with a sense of welcome.
明ける (akeru) is the idiomatic choice for the start of a new year or day, implying a natural transition from night to day or old year to new. 始まる (hajimaru) is a general verb for 'begin' and can be used, but sounds less natural for the New Year unless you want to emphasize a fresh start.
In New Year's greetings, 迎える (mukaeru) is very common. Phrases like 新年を迎える or 新しい年を迎える are standard in cards and formal messages.
The New Year begins tomorrow.
When the New Year begins, I will be 20 years old.
A formal, somewhat literary expression meaning 'the year changes/renews'. It is used in formal writing or speeches.
As the year has changed, I extend my congratulations.