Do you write out the word or write the number when using o'clock?
Both forms are commonly used: 2 o'clock and two o'clock.See related link.Both forms are commonly used: 2 o'clock and two o'clock.See related link.Both forms are commonly used: 2 o'clock and two o'clock.See related link.Both forms are commonly used: 2 o'clock and two o'clock.See related link.