長ちょう保ほう

noun

Chōhō era (999.1.13–1004.7.20)

A Japanese era name (年号) from the Heian period. Used in historical contexts.

• 長ちょう保ほう元がん年ねんは西せい暦れき999年ねんにあたる。

  The first year of the Chōhō era corresponds to 999 CE.