twelve o'clock

Definitions

1. The start of the thirteenth hour of the day; noon (noontime); 12:00 p.m. (12:00).
   uncountable, usually
2. The start of the first hour of the day; midnight; 12:00 a.m. (00:00).
   uncountable, usually
3. A position straight ahead (horizontal clock orientation) or above (vertical clock orientation) (from the location of the 12 mark on a clock face)
   informal, uncountable, usually

Equivalents

Examples

“The next train⟳ comes at twelve o'clock (= "The next train⟳ comes at noon").”

“The bar closes at twelve o'clock (= "The bar closes at midnight").”

“We've got a bogey at twelve o'clock (= "We've got a bogey straight in front of us").”

CEFR level