at the critical moment

time

space; interval; among; between / extent; scope / hidden; invisible / Alternative spelling of 閑 (kan, “free time”)

suffixes some expressions of time to tell duration rather than time or date

between / intervening space / interval / gap / pause

one day

一日中: all day, throughout the day, sunrise to sunset, all around the clock

一日経: dead memorial service where many gather to transcribe a sutra in one day

乾電池: dry cell

万: all