During rush hour, the trains are very crowded.

The government declared a state of emergency to prevent the spread of the new coronavirus.

He is writing a thesis on abiogenesis.

I am majoring in developmental biology at university.

An earthquake early warning was broadcasted on TV.

By regularly checking the key performance indicators, you can understand the performance of the company and devise improvement measures.

My class starts at eleven o'clock.

I eat lunch at twelve o'clock.

Greenwich Mean Time is the standard that determines the time of the world.

In her anger, she decided to perform the ushi no toki mairi.