Half an hour past 12(am) midnight, or more formal and exact would be 00:30; The practice of adding “dark” and “thirty” (30) can be used sometimes as a slang term in place of an otherwise specific time a time of night, meaning some time when it is dark out between 00:01 - 05:00 hours local time.
The time of day when the sun is in its zenith; twelve o'clock in the day, midday.
The highest point; culmination.
The letter ن in the Arabic script.
To relax or sleep around midday