guân-tàn元旦

the first day of a year

the first day of a year; New Year's Day (Gregorian calendar)

English Wiktionary, “元旦” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%85%83%E6%97%A6 · confidence: High (Wiktionary, PH/Quanzhou/Jinjiang)