一个英语问题，非常感谢！

Question

①“下午6点30分”用英语怎么说？
“半个小时”用英语怎么说？
“一个半小时”用英语怎么说？

Answer 1

1.half past six pm或者six thirsty pm
2.half an hour或者a half hour
3.one and a half hour

Answer 2

at half past six in the afternoon
half an hour
an hour and a half

Answer 3

6:30pm
half an hour
an hour and a half

Answer 4

6:30PM
half an hour

Answer 5

Half past thirty in the afternoon

Answer 6

是说不是写啊，
1。six thirty. I'll be there at six thirty.
2. half hour
3. hour and half