one o'clock

Meanings

1. The start of the second hour of the day; 1:00 a.m. (01:00).
2. The start of the fourteenth hour of the day; 1:00 p.m. (13:00).
3. A position ahead and slightly rightward (horizontal clock orientation) or almost directly above (vertical clock orientation) (from the location of the 1 mark on a clock face)
4. A dandelion.