Как по английски написать время 6.15 ,7.00,8.45,10.30,11.00,5.45?

6,15 It’s a quarter past six am
7.00 Seven oclock (второй вариант как)
8,45 Its a quarter to nine am
10.30 Its ten thirty 
11.00 Even oclock
5.45 Five forty four

Quarter past six, seven oclock, quarter to nine, half past ten, eleven oclock, quarter to six.