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.
今、２時です。
It's two o'clock now.
会議は２時からです。
The meeting is from two o'clock.
Two o'clock in the morning (2:00 AM). 午前 means 'a.m.'.
午前２時に起きた。
I woke up at two o'clock in the morning.
Two o'clock in the afternoon (2:00 PM). 午後 means 'p.m.'.
午後２時に来てください。
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.
電車は１４時に出発します。
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).
２時に会いましょう。
Let's meet at two o'clock.