“上午好”用英语怎么说?

问题描述:

“上午好”用英语怎么说?
如果是上午十点还能说“Good morning”吗?中午好呢?下午好呢?下午四点时和人问好怎么说?

of course you can
in the noon,just say,hello or how are you
in the afternoon,say good afternoon
even if after four o'clock,it's ok