five o'clock

Definitions

1. The start of the sixth hour of the day; 5:00 a.m. (05:00).
   uncountable
2. The start of the eighteenth hour of the day; 5:00 p.m. (17:00).
   uncountable
3. A position behind and slightly to the right (horizontal clock orientation) (from the location of the 5 mark on a clock face)
   informal, uncountable

Equivalents

Examples

“The breakfast buffet opens at five o'clock (= "The breakfast buffet opens at 5:00 a.m.").”

“The next train⟳ comes at five o'clock (= "The next train⟳ comes at 17:00").”

“We've got a bogey at five o'clock.”

CEFR level