二に至し

noun

the two solstices (summer and winter)

Refers collectively to the summer solstice (夏至) and winter solstice (冬至). Used in astronomical or traditional calendar contexts.

• 二に至しは、夏げ至しと冬とう至じの総そう称しょうです。

  Nishi is a collective term for the summer solstice and winter solstice.