show·time 
/ˈʃoʊˌtaɪm/ noun
/ˈʃoʊˌtaɪm/ noun [noncount] : the time when a play, movie, etc., begins
▪ We have five minutes until showtime. ▪ Showtime is in five minutes. — often used figuratively in U.S. English ▪ We've been making plans for months. Now it's showtime.
▪ We have five minutes until showtime. ▪ Showtime is in five minutes. — often used figuratively in U.S. English ▪ We've been making plans for months. Now it's showtime.
