When the curtain goes up?

• Start of a performance
• When the reels start to roll
• 7:30 P.M. on B'way

Wikipedia Word definitions in Wikipedia
Showtime is a live album by British guitarist Mick Ronson , released in 1999. It is a compilation of two live shows from 1976 and 1989, and the album was released six years after Ronson's death.

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ It's five minutes to showtime and a huge roar goes up as Ice-T announces the acts. ▪ Student rush tickets are available 15 minutes before showtime . ▪ The Boston show was canceled 10 minutes before showtime because Kelly was ...

WordNet Word definitions in WordNet
n. the time at which something is supposed to begin; "they got an early start"; "she knew from the get-go that he was the man for her" [syn: beginning , commencement , first , outset , get-go , start , kickoff , starting time , offset ] [ant: middle , end ...