six o'clock

Meanings

1. The start of the seventh hour of the day; 6:00 a.m. (06:00).
2. The start of the nineteenth hour of the day; 6:00 p.m. (18:00).
3. A position behind (horizontal clock orientation) or below (vertical clock orientation) (from the location of the 6 mark on a clock face)
4. A pose in which the lower leg and raised upper leg form a vertical line.

1. Straight up and down, without curves, like the hands of a clock.