Translation guide
In Japanese, telling time uses the counter 時 (じ) attached to the number. 'Two o'clock' is ２時 (にじ). Note that the pronunciation of the number changes for certain hours, but 'two' is regular.
Expressing the time of day as 'two o'clock'
The standard way to say 'two o'clock'. The number 2 is に, and 時 is the counter for hours.
It's two o'clock now.
The meeting is from two o'clock.
Two o'clock in the morning (2:00 AM). 午前 means 'a.m.'.
I woke up at two o'clock in the morning.
Two o'clock in the afternoon (2:00 PM). 午後 means 'p.m.'.
Please come at two o'clock in the afternoon.
Two o'clock in the 24-hour clock system, often used in schedules and official contexts. 14:00.
The train departs at 14:00 (two o'clock).
When stating that something happens at two o'clock, use the particle に after the time expression: ２時に (at two o'clock).
Let's meet at two o'clock.