one o'clock

== English == === Noun === one o'clock (In both the 12-hour clock and the 24-hour clock) The start of the second hour of the day; 1:00 a.m. (01:00). (Only in the 12-hour clock) The start of the fourteenth hour of the day; 1:00 p.m. (13:00). (informal) 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) (informal) A dandelion. ==== Derived terms ==== like one o'clock like one o'clock half struck ==== Translations ====