Question

how many time do you need? is it a correct sentence?​

Answer 1

Answer: no it isn’t

The correct sentence would be

How much time do you need

Answer 2

Answer:

No, it is not a correct statement.

Explanation:

The correct statement is: How much time do you need.

Time in uncountable and hence the word 'many' cannot be used with time and 'much' is the appropriate word to be used with 'time'.