１７日じゅうしちにちalso: じゅうななにちじゅうしちにち○Common wordMeanings1noun17th day of the monthRefers to the 17th day of any month. The reading じゅうしちにち is more common than じゅうななにち.会かい議ぎは１７日かに行おこなわれます。The meeting will be held on the 17th.2noun17 daysIndicates a duration of seventeen days. Often used with counters or in time expressions.
