Как по английски написать:: 3часа 30 минут,
ровно 12ч, 6ч 15 мин, 9 ч 20 минут,20:45,11ч 50 минут,2ч 25мин, 17:30,13ч 45 мин.

У вас лучший ответ!

3:30- it's half past three12.00- it's twelve o'clock6:15- it's quarter past six9:20- it's twenty past nine20:45- it's quarter to nine11:50- it's ten to twelve 2:25- it's twenty-give past two17:30- it's half past five13:45- it's quarter to two