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How to write am pm ap style abbreviations Many abbreviations are desirable in tabulations and certain types of technical writing. Please see the April 19,revised version of this article at Writing Dates and Times. Please arrive by An acronym is a word forned from the first letter or letters of a series of words: Which brings us to the final question.

See state names ; datelines; and individual entries. Some use numerals with the time of day when exact times are being emphasized. For guidelines on how to use titles, see courtesy titles ; legislative titles ; military titles ; religious titles ; and the entries for the most commonly used titles. Guidance on how to use a particular abbreviation or acronym is provided in entries alphabetized according to the sequence of letters in the word or phrase. Use capital letters and periods according to the listings in this book. Some prefer to write it out: The names of certain states and the United States are abbreviated with periods in some circumstances.

If an abbreviation or acronym would not be clear on second reference without this arrangement, do not use it. Please deliver the package by August 1. The abbreviations are correct only with figures. The last outbreak of smallpox occurred in the late seventies. Because these acronyms are created on the fly, their inclusion in the AP Styleguide is not likely.

Second reference means the second time the item is used. Some others are acceptable depending on the context. If the article or the existing discussions do not address a thought or question you have on the subject, please use the "Comment" box at the bottom of this page.

If so, go right ahead and use it. Some writers spell out the time of day, others prefer numbers. He lives at Pennsylvania Ave.With “working 9 to 5,” you don’t need “AM/PM” because it is an expression and the “AM/PM” is understood. If, however, you say, “He needs to be at work by 10,” you would want to.

Press Stylebook, download the AP Style App or visit the AP Stylebook website. Using the AP Style Guide Use AP Style Abbreviations: Do not use AM, PM, am or pm to denote time. Use a.m. and p.m. o Example: The city council meeting starts at p.m. Arizona, for example, doesn't participate in daylight-saving time, but other states in the same time zone do.

So during standard time, it is the same time in Arizona and Utah, but during daylight-saving time, it is an hour earlier in Arizona because Arizonans don't "spring forward" like other regions in their time zone.

May 21,  · AP Stylebook Type search query into the search bar below. 5/21/ abbreviations and acronyms The notation abbrev. is used in this book to identify the abbreviated form that may be used for a word in some contexts. A few universally recognized abbreviations are required in some circumstances. Some others are acceptable depending on.

However the AP Style Guide also notes that certain abbreviations or acronyms are common enough to be used on first reference, that is without having been spelled out first.

CIA, and FBI are both examples of. AP Style time of day holds that the time descriptors “ante meridiem” (before noon) and “post meridiem” (after noon) should be abbreviated with lowercase letters and with periods (a.m. and p.m.).
