Как по 9часов 45минут утра,13часов15минут утра,14 часов45минут вечера,7часов30минут утра,6часов 30минут утра,21 часов 00минут вечера?

It's a quarter to ten. It's a quarter past one. It's a quarter to three. It's half past seven. It's half past six. It's nine o'clock.

9 часов 45 минут утра-It`s a quarter to ten am.
13 часов 15 минут утра-It`s a quarter past one pm.
14 часов 45 минут вечера-It`s a quarter to three pm. 
7 часов 30 минут утра-It`s half past seven am.
6 часов 30 минут утра-It`s half past six am.
21 часов 00 минут вечера-It`s twenty one o`clock.