what time is 9 hours and 30 minutes before. 4:25
24h00min - 9h30min = 14h30min4h25min + 14h30min = 18h55minIt's 18:55
\(30\ minutes\ before\ \ \ 4:25\ \ \ is\ \ \ 3:55\\\\3:55\ am\ =\ 15:25\ pm\\\\9\ hours\ before\ \ \ 15:25\ pm\ \ \ is\ \ \ 6:55\ pm\)