元日 (ganjitsu) means “New Year's Day” | MotiTan Japanese Dictionary

More examples

元日におもちを食べます。gan jitsu ni o mo chi o ta be ma su

I eat rice cakes on New Year's Day.

元日には年賀状がたくさん届きます。gan jitsu ni wa nen ga jō ga ta ku sa n todo ki ma su

Many New Year's cards arrive on New Year's Day.

Marks the exact first day of a new year, focusing on January 1 rather than the whole New Year season.

元旦gantan: A term for January 1 that can also refer specifically to the morning of that day.

一年の最初の日である一月一日。ichi nen no sai sho no hi de a ru ichi gatsu tsuitachi

The compound 元日 (ganjitsu, "first day of the year") combines 元 (gan, "beginning") and 日 (jitsu, "day").

In Japan, 元日 (ganjitsu) is the public holiday on January 1, while the broader New Year period is called お正月 (oshōgatsu).