Please check the new timetable.

He likes to take a walk in the park at dusk.

He is spending a lot of time on experimental research.

He engaged in an extravehicular activity from the spaceship.

He is undergoing training for extravehicular activity.

This system enables real-time operation.

We will start the meeting at 3 p.m. Central European Time.

We plan to hold the meeting in Western European Time.

I will start the meeting at 9 a.m. Eastern European Time.

The time complexity of this algorithm is O(n).