元日|がんじつganjitsu[0]heiban (flat)

1. nounNew Year's Day
   元日がんじつに神社じんじゃへ参拝さんぱいする日本人にほんじんは多おおい。↗

   On New Year's Day many Japanese go to the shrine to worship.

• Synonym元旦がんたんWrittenA written/formal word for 「元日」: originally New Year's morning, now also the day itself, and the usual wording on New Year's cards.
• Related1月1日NeutralWritten in numerals, 「1月1日」 is simply the calendar date; 「元日」 adds a festive, holiday flavor.
• Antonym大晦日おおみそかNeutralNew Year's Eve, the last day of the year — the opposite of 「元日」, the first day of the new year.

For the first day of the year, January 1, use 「元日」, as in 「元日の朝」 or 「元日営業」; New Year's cards typically write 「元旦」. 「1月1日」 is just the date, and 「大晦日」 is its opposite, New Year's Eve.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 一いち年ねんの最初さいしょの日ひ。一いち月がつ一日ついたち。