He is always working at night.

Tokitaka is my best friend.

He always says 'time is money' and strives not to waste a single second.

You should always be prepared for the time of need.

I woke up at the witching hour.

Following the customs of the time, they celebrated the festival.

During rush hour, the trains are very crowded.

He looked at the speedometer and checked the speed of the car.

He measured the humidity using a psychrometer.

He is using an interferometer for a physics experiment.