The letter H can be useful to create some two-letter words but there are some longer, high scoring words too. Here are some examples.

PM is noon whereas 12 AM is midnight. And if it refers to noon, it means 12 p.m. Is 12 AM Midnight? PM technically refers to 12 noon when the Sun is directly over the meridian. What is the Full Form of AM and PM? Time". Encyclopædia Britannica. Encyclopædia Britannica Online Library Edition . Retrieved 20 November 2013. The use of AM or PM to designate either noon or midnight can cause ambiguity. (subscription required) For different opinions on representation of midday and midnight, see #Confusion at noon and midnightquarter". American Heritage Dictionary (3rded.). Boston: Houghton Mifflin. 1992. s.v. usage note at end of "quarter" entry.

That golfers who sign up to play in the tournament will be paired with a so-called celebrity (as opposed to a professional golfer); U.S. Government Printing Office Style Manual - Chapter 12 - Numerals". govinfo.gov . Retrieved 27 January 2023. Unicode specifies codepoints for "a.m." and "p.m." symbols, which are intended to be used only with Chinese-Japanese-Korean (CJK) character sets, as they take up exactly the same space as one CJK character: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. Our new online dictionaries for schools provide a safe and appropriate environment for children. And best of all it's ad free, so sign up now and start using at home or in the classroom. a b Chicago Manual of Style (17thed.). University of Chicago Press. 2017. paragraph 9.38. ISBN 978-0-226-28705-8. Although noon can be expressed as 12:00 m. (m = meridies), very few use that form. English Easy Learning Grammar How do you use the verb 'be' in English? The verbbeis used as an auxiliary verb and it can also be used as a main verb. The This week we are looking at two words which may be confused by learners of English: scarce and scarcely. Improve your English with Collins.

AM is a method of transmitting radio waves that can be used to broadcast sound. AM is an abbreviation for 'amplitude modulation'.Cheshunt/Enfield Town to London Liverpool Street via Seven Sisters service Interim train timetables" (PDF). Abellio Greater Anglia London. 17 May 2015. pp.7, 8. Archived from the original (PDF) on 26 May 2015. a b c d e f These styles are ambiguous with respect to whether midnight is at the start or end of each day. AM". The American Heritage Dictionary of the English Language (Fifthed.). 2011. Archived from the original on 9 January 2014.

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. Question 4-1) Is noon 12a.m.? Or 12p.m.?]. National Astronomical Observatory of Japan (in Japanese) . Retrieved 19 January 2022.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. The Canadian Press Stylebook [28] says, "write noon or midnight, not 12 noon or 12 midnight." Phrases such as "12a.m." and "12p.m." are not mentioned at all.