Question

What time和what's the time有什么区别

Answer 1

两句话大体上没有什么区别
what time is it  比 what is the time   更强调时间的准确性一点，
比如别人问：what is the time  你可以回答about  3 o'clock   大概3点了
要是别人问：what time is it  ? time提前，强调了时间。

Answer 2

What time比what's the time更强调时间的准确性。

例句

1.What time is it now? 

现在几点了？

2.He always knew what time it was, as if by instinct. 

他总能知道几点了，仿佛是出于本能。

3.What time did he leave? 

他什么时候离开的？

4.At what time do you get up? 

你几时起床？