AT WHICH TIME

The store closes at 10 PM, at which time the workers go home.

The flowers bloom in April, at which time the garden looks most beautiful.

The software update will be completed by midnight, at which time your device will restart automatically.

The treaty was signed at 11 AM, at which time the warring nations declared an official end to hostilities.

In the experiment, the chemical will change color at 80 degrees Celsius, at which time data will be recorded.

The novel reaches its climax at the chapter's end, at which time the protagonist's true identity is shockingly revealed.

Please arrive at the airport at least two hours before your flight, at which time security checks will be conducted.

The package is scheduled for delivery tomorrow morning, at which time you should be available to receive it.

I will meet you at the park at which time the sun sets.

At which time the meeting will commence has not been determined yet.

He always arrives early, at which time he enjoys a cup of coffee.

At which time do you plan to submit your report?

She usually goes for a walk in the evening, at which time the weather is cooler.

The flight, at which time passengers should be ready to board, leaves at 10 AM.