pm or p.m.

According to the University of Oxford Style Guide (page 3) in the following document of Oxford Style Guide.pdf, the term "p.m." shall be written as "pm", while on the Oxford Dictionaries website it is written as "p.m.". Which version is correct?


  • Hi there @denbi90.

    This is house style for us. It's more traditional to give lower-case abbreviations with points after each letter, though increasingly they are written with no points. Using pm is not wrong, it’s just a style choice.

    I hope this helps.


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