Wiktionary
n. The start of the third hour of the day in both the 12-hour and the 24-hour clock; 2:00.
Usage examples of "two o'clock".
It was almost two o'clock when I pulled into Stiva's small side lot with Grandma perched beside me on the big bench seat, straining to see over the dashboard.
The following day, when O arrived at Sir Stephen's at two o'clock in answer to his summons, she found him looking older and his face careworn.
Did you notice anyone parked out there between noon and two o'clock?
Shortly after two o'clock an impetuous step on the stair smote her listening ears, and Fanny herself came into the room, out of breath, her cheeks in a glow, and her eyes sparkling.
Fladong's was still used to naval people, and it fed them not indeed at two o'clock, but at a strangely early hour for London.
Aaron Cohen, of 30, Park Square West, at two o'clock in the morning, having finally pocketed the heavy winnings which he had just swept off the green table of the Harewood Club, started to walk home alone.
At two o'clock that morning, Edward was standing at the bedroom window smoking a cigarette and looking out at the street.