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

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;

At 7 o'clock