Tape yourself saying the following times.
This is a test, so.........
DO NOT LOOK THEM UP AHEAD OF TIME. Your integrity is all you have.
Be sure to say the whole sentence, beginning "It is," and ending with the time of day.
Used the expressions for "quarter after," "quarter till," "half past," "noon," and "midnight" that we learned. DON'T say "fifteen after," thirty," or "twelve o'clock."
Do say "on the dot" if the hour is exact.
If you mess up, just say, "I want to redo that," and keep going.