1. It is 23:45.

2. It is 22:00.
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How do you read the time above?
3. It is twenty-three forty-five.
4. It is twenty-two hundreds.

5. It is twenty-three forty-five.
6. It is twenty-two.

1. It is 23:45. = It is twenty-three forty-five.

2. It is 22:00. = It is twenty-two hundred hours -- or -- It is twenty-two hundred.