定てい刻こく通どおり

adverb, noun which may take the genitive case particle 'no'

on schedule; on time

Used when something happens exactly at the scheduled time. Often used with verbs like 出発する, 到着する, or 始まる.

• 電でん車しゃは定てい刻こく通どおりに到とう着ちゃくした。

  The train arrived on schedule.

• 会かい議ぎは定てい刻こく通どおり始はじまった。

  The meeting started on time.