three o'clock

Definitions

1. The start of the fourth hour of the day; 3:00 a.m. (03:00).
   uncountable
2. The start of the sixteenth hour of the day; 3:00 p.m. (15:00).
   uncountable
3. To the right (horizontal clock orientation) (from the location of the 3 mark on a clock face)
   informal, uncountable

Equivalents

Examples

“The front desk closes at three o'clock (= "The front desk closes at 3:00 a.m.").”

“The next train⟳ comes at three o'clock (= "The next train⟳ comes at 15:00").”

“We've got a bogey at three o'clock.”

CEFR level