歴れき法ほうの改かい正せい

noun

calendar reform

Refers to the act or process of changing or adjusting a calendar system, such as the adoption of the Gregorian calendar.

• 日本にほんでは明めい治じ時じ代だいに歴れき法ほうの改かい正せいが行おこなわれた。

  In Japan, a calendar reform was carried out during the Meiji period.