Up to Snuff #108: How to write the time

Up to Snuff #108: How to write the time

By, Afua Serwah Osei-Bonsu

The time a.m. and p.m. stands for “ante meridiem” and “post meridiem.”

They should be written:

7:22 a.m.  and 10:00 p.m.  (lowercase, two periods and space)

Find lots of details about style and convention in the “Chicago Manual of Style.”

University of Chicago Press

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