改かい暦れき

noun, noun or participle which takes 'suru'

calendar reform; adoption of a new calendar system

Refers to the official change from one calendar system to another, such as the Meiji-era switch from the lunar to the Gregorian calendar.

• 明めい治じ時じ代だいに改かい暦れきが行おこなわれ、太たい陽よう暦れきが採さい用ようされた。

  A calendar reform was carried out in the Meiji period, and the solar calendar was adopted.

noun

new calendar (for a new year); new year

Used for a fresh calendar at the start of a new year, often in the context of replacing an old one. This sense is less common than the reform sense.

• 年ねん末まつに新あたらしい改かい暦れきを買かって壁かべに掛かけた。

  At the end of the year, I bought a new calendar and hung it on the wall.