Как пишется время по английски 7:00 9:15 2:30 6:45 10:15 1:45

At 7 o'clock ............

7:00 - It's seven o'clock; 9:15 -  It's quarter past nine; 2:30 - It's half past two; 6:45 - It's quarter to seven; 10:15 -  It's quarter past ten; 1:45 - It's quarter to two;