He is working tirelessly.

When spring comes, cherry blossoms bloom.

When will you go to Japan?

When are you going to Japan?

He will help at any time.

Kazutoshi is my best friend.

How long is the execution time of this program?

Let's meet at the station at five o'clock.

I wake up at nine o'clock every day.

I wake up at six o'clock every day.