Luke 21:7

7They askedἘπηρώτησανthenδὲHimαὐτὸνsayingλέγοντες·TeacherΔιδάσκαλε,whenπότεthenοὖνthese thingsταῦταwill beἔσται,andκαὶwhat [will be]τίtheτὸsignσημεῖονwhenὅτανare aboutμέλλῃthese thingsταῦταto take placeγίνεσθαι;

And they questioned Him, saying, “Teacher, when, then, will these things be, and what [is] the sign when these things are about to happen?”