two o'clock
noun1
The start of the third hour of the day; 2:00 a.m. (02:00).
In both the 12-hour clock and the 24-hour clock
- The bar closes at two o'clock (= "The bar closes at 2:00 a.m.").
2
The start of the fifteenth hour of the day; 2:00 p.m. (14:00).
Only in the 12-hour clock
- The next train comes at two o'clock (= "The next train comes at 14:00").
3
Informal A position ahead and rightward (horizontal clock orientation) or above and rightward (vertical clock orientation) (from the location of the 2 mark on a clock face)
- We've got a bogey at two o'clock.