AMAM

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Watson, James Robert. "A more efficient way to denote am or pm". Jim Watson professor of design . Retrieved 30 August 2022. The Tongue and Quill (PDF). US Air Force. 27 May 2015. p.356. Archived from the original (PDF) on 26 November 2020 . Retrieved 26 October 2021. Air Force Handbook 33-337. AM". The American Heritage Dictionary of the English Language (Fifthed.). 2011. Archived from the original on 9 January 2014. Berlin instruments of the old Eg.time of day destination". members.aon.at. Archived from the original on 15 November 2006 . Retrieved 13 June 2006.

or 0PM?]. National Institute of Information and Communications Technology (in Japanese). 15 February 1989. Archived from the original on 6 June 2017 . Retrieved 24 May 2017. Some style guides suggest the use of a space between the number and the a.m. or p.m. abbreviation. [ citation needed] Style guides recommend not using a.m. and p.m. without a time preceding it. [15]a b c d "Times of Day FAQs". National Institute of Standards and Technology. 21 September 2016. Archived from the original on 21 September 2018 . Retrieved 30 September 2018.

PM is noon whereas 12 AM is midnight. And if it refers to noon, it means 12 p.m. Is 12 AM Midnight?a b "National Physical Laboratory, FAQ-Time". Archived from the original on 3 March 2015 . Retrieved 11 January 2015. Richards, E. G. (1999). Mapping Time: the Calendar and its History. Oxford University Press. p.289.

National Library of Australia catalogue entry for Rider's British merlin: for the year of Our Lord God 1795 . Printed for the Company of Stationers, and sold by R. Horsfield, at Stationers-hall, near Ludgate-street. 1795. Archived from the original on 22 May 2013. U.S. Government Printing Office Style Manual - Chapter 12 - Numerals". govinfo.gov . Retrieved 27 January 2023. In speaking, it is common to round the time to the nearest five minutes and/or express the time as the past (or to) the closest hour; for example, "five past five" (5:05). Minutes past the hour means those minutes are added to the hour; "ten past five" means 5:10. Minutes to, 'til and of the hour mean those minutes are subtracted; "ten of five", "ten 'til five", and "ten to five" all mean 4:50. In older English, it was common for the number 25 to be expressed as "five-and-twenty". [18] In this way the time 8:35 may be phrased as "five-and-twenty to 9", [19] although this styling fell out of fashion in the later part of the 1900s and is now rarely used. [20]It is not always clear what times "12:00a.m." and "12:00p.m." denote. From the Latin words meridies (midday), ante (before) and post (after), the term ante meridiem (a.m.) means before midday and post meridiem (p.m.) means after midday. Since "noon" (midday, meridies (m.)) is neither before nor after itself, the terms a.m. and p.m. do not apply. [2] Although "12m." was suggested as a way to indicate noon, this is seldom done [27] and also does not resolve the question of how to indicate midnight. In Japanese usage, midnight is written as 午前0時 (0:00a.m.) and noon is written as 午後0時 (0:00p.m.), making the hours numbered sequentially from 0 to 11 in both halves of the day. The Associated Press Stylebook specifies that midnight "is part of the day that is ending, not the one that is beginning." [30] Addington, Susan (25 August 2016). "Modular Arithmetic". Archived from the original on 4 July 2008 . Retrieved 28 November 2008. Some more ambiguous phrasing might be avoided. Within five minutes of the hour, the phrase "five of seven" (6:55) can be heard "five-oh-seven" (5:07). "Five to seven" or even "six fifty-five" clarifies this.