曆

Phono-semantic compound:

日 (날 일, “sun, day”) - denotes relation to time/dates.

厤 (다스릴 력) - provides sound.

Thus conveys “to order/arrange days - calendar”.

Used in compounds like 책력(冊曆) “almanac” or 달력(-曆) “calendar”.

曆法 (역법) — calendar system

陽曆 (양력) — solar calendar

陰曆 (음력) — lunar calendar

歷史 / 曆史 (역사) — history (though modern usage almost always writes 歷史)

曆日 (역일) — calendar date

In modern Chinese: 曆 = simplified form 历, still used in words like 日历 (calendar).

歷 (also used in “history”), with 曆 sometimes reserved for “calendar” specifically.