Use the 12-hour clock rather than the 24-hour clock. Write a.m. and p.m. with points and insert a non-breaking space between the time and the abbreviation. Use a point to separate hours from minutes.
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The lecture starts at 9.30 a.m. |
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The library closes at 7.30 p.m. |
Spell out the number with the term o’clock, which is used to designate exact hours only.
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The rector’s speech will begin at four o’clock. |
Use the terms noon (or 12 noon) and midnight, rather than 12 p.m. and 12 a.m.
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The tutorial, which was due to begin at noon, began at 1.15 p.m. |
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The campus copy shop closes at 12 noon. |
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The faculty bar will serve coffee until midnight. |