時じ間かん外がいじかんがいMeanings1nounovertime; outside of hoursRefers to time outside regular working, school, or service hours. Often used in contexts like overtime work, after-hours access, or out-of-hours services.今こん月げつは時じ間かん外がいの勤きん務むが多おおかった。Expressions時じ間かん外がい手て当あてovertime pay