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THE WRITE STUFF
Writing & Grammar Blog
 
DIANE HUGHES • NASHVILLE, TN
WRITER, EDITOR, CREATIVE PROFESSIONAL

A matter of time

4/25/2012

36 Comments

 
How to write timeWhen expressing time, consistency is key.
One of my online writing pals, the lovely and talented Molly Greene, recently asked the following writing question: 

What's the best way to write time?

The key to addressing this issue is consistency; it's more a matter of style than of right and wrong, so it really comes down to choosing a style and sticking with it. 

Because the bulk of my writing experience has been in the newspaper industry, I've become well acquainted with the Associated Press Stylebook, a manual that guides how journalists should punctuate, capitalize, abbreviate and otherwise handle language. AP Style dictates that time be written as figures (Arabic numerals*), except for noon and midnight, and that times be given as shown in these examples: 1 a.m., 11 p.m., 2:45 p.m., 6-10 p.m., 8 a.m. to 4:30 p.m. In AP Style, "even" hours read as 5 p.m. (not 5:00 p.m.). And if the time begins a sentence (as in: Ten o'clock came and went...) you should spell out the number instead of using numerals.

Personally, I find it easier to read time as numerals instead of words, so I generally follow AP Style: 5 o'clock instead of five o'clock and 5:15 instead of five-fifteen. While I work in the newspaper world, I know that many of my blog followers are novelists, and the standard style for this type of writing is a bit different. 

For novels (fiction and non-fiction), the general rule is to spell out time. When expressing time in words instead of numerals, you should use a hyphen, as in five-fifteen. But when a hyphen is necessary in the expression of minutes, only hyphenate the minutes, as in five forty-five. Other time expressions could include half past five and twenty to seven or seven in the morning and ten at night.

Here are a couple of cheat sheets for both formats:

Cheat sheet for novels
five-fifteen
five forty-five
twenty to seven
half past three
seven in the morning
seven A.M., ten P.M.
six o'clock
Cheat sheet for newspapers
1 a.m.
4 p.m.
2:45 p.m.
6-10 p.m.
8 a.m. to 4:30 p.m.


There are exceptions to these guidelines, and rules can vary from book to book and publisher to publisher. I recently picked up a pair of paperbacks by a well-known author and found gross discrepancies in the way time elements were expressed. In fact, on the same page — same paragraph! — the narrator referred to "six o'clock on Sunday" and 8 A.M. on Sundays." A reference to a plane flight was given as 6:30. One page had six A.M. while another had 4 A.M. It is worth noting that while AP Style calls for the use of a.m. and p.m. (all lowercase), most novels I've researched for this post exclusively use A.M. and P.M. (all caps).

When it comes to numbers in general, style guides have many exceptions to the basic rules depending on how the number is used. While AP Style recommends numerals (5:15) for times and ages, it also calls for spelling out numbers in other instances. (A 5-year-old girl but five books.) And to make it even more confusing, in general usage, AP requires that numbers one through nine be spelled out and numbers 10 and above be expressed in numerals, but exceptions exist for everything from addresses and weights to measurements and dimensions.

Whether you spell out times with words or use numerals, either choice is acceptable. It's all about consistency. The important thing is to choose a style and maintain it throughout your manuscript. While there are many style guides out there, The Chicago Manual of Style is probably the best resource for novelists. I recommend adding a copy to your library. There are many exceptions to these basic rules, and it's best to have a guide handy so that you can refer to it as you write or edit. If you are writing for a specific publisher, ask which style guide they prefer and follow it.

It is worth noting that many magazines, newspapers and publishing houses create their own house style guide or add exceptions to an established guide (like Chicago or AP). It's perfectly acceptable to create your own exceptions to the established style guide you choose — as long as you consistently maintain that exception throughout your work.

This post gives the basics, but it doesn't cover every time scenario a writer might encounter; if you have a specific issue you'd like to see addressed here, leave a comment below and together we'll try to find an answer.

How do you write time? Do you have observations, tips or suggestions to share with other writers? Feel free to leave your thoughts in the comments. Disagreement is welcome; incivility is not.

* The term numeral can refer to any symbol that represents a number, even a word. My references to the term numeral in this post are in reference to Arabic numerals (like 8, 9, 10).
       
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36 Comments
Molly Greene link
4/26/2012 07:55:21 am

Bravo for you, Diane! Beautifully done - even I can understand now. Thanks so much for your *time* on this, I'm deeply grateful. The Cheat Sheet ROCKS!

Reply
Diane Hughes link
4/26/2012 09:26:30 am

I'm so glad you found it helpful. It was harder to write than I expected. With so many exceptions and variations to numbers (times, addresses, weights, etc.), it's hard to put in a nutshell. I hope it's information that you and your fellow novelists will find useful.

Reply
Galit Breen link
4/26/2012 01:10:08 pm

Those are some great tips, my editing guru!

(Thank you!)

Reply
Diane Hughes link
4/26/2012 01:27:38 pm

Thank you for saying so, Galit. I truly hope these tips are helpful.

Reply
Rick Jennings
4/27/2012 01:48:24 pm

Well done! You are my grammar hero. Even I get this, now. Thanks.

Reply
Diane Hughes link
4/28/2012 02:07:11 am

Thanks for stopping by, Rick. I'm glad you found the post useful. Be sure to submit your grammar/writing questions for consideration on the blog!

Reply
Nolene Triska
11/27/2016 02:31:07 am

This is a terrific distillation of what I need right now. My experience, too, has centered around AP style, but I'm helping edit a soon-to-be-published history of our town and have neither the time nor the gumption (it's 1 a.m.) to tackle the CMS right now. Thank you, Diane! May the grammar gods shower you with blessings...

Reply
Janet Stutts
2/24/2017 10:49:58 am

Is "half past" hyphenated when used before an hour?
If no, do the Scots hyphenate it (e.g. Robert Louis Stevenson)?

Reply
Dwight Lubiniecki link
10/7/2018 02:29:33 am

Sorry for the bother, but what about the example of 9:45? How is this written when we say, 'a quarter to ten?'

Reply
Richard Cusick Jr.
5/13/2019 09:03:22 pm

Hi Diane,
Thanks for the helpful information.
One note: You write "For novels (fiction and non-fiction)"

Novels are only works of fiction.

Regards,
Richard

Reply
Diane Hughes link
5/14/2019 11:14:07 am

Thanks for the note, Richard.

While that meaning was standard for many years, as these articles note, the word novel "is increasingly used to mean any book, fiction or nonfiction."

• https://slate.com/human-interest/2014/08/novel-increasingly-used-to-mean-any-book-fiction-or-nonfiction.html
• https://en.wikipedia.org/wiki/Non-fiction_novel
• https://nicktraversauthor.com/2017/12/23/is-a-novel-always-fiction/

Reply
Claire
7/22/2025 09:44:21 pm

Hi Diane
I'm a writer, lecturer and editor and this gives me the horrors. Novels are only fiction. This seems to be an 'only in America' thing and I don't think we should use or endorse this illiteracy just because some people misuse it. Language changes over time, of course, but changes in the direction of less precision should be resisted by people who work with words for a living. Novels are fiction only, that's it. Else how explain the strange American practice of Title plus A novel, eg The Lake House A novel. If a novel just means book then that practice is redundant. Only the US market does this, as far as I know.

Beatriz Becker link
12/7/2020 08:51:50 am

Very clear and useful explanation. Thank you!

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Great post. Thanks for sharing

Reply
wil link
1/5/2023 04:46:17 pm

In fiction, how would this apply to dialogue? For example, which would be correct?

Mike asked what time it was and Jane looked at the clock. 4:23 p.m. "It's 4:23," she told him.

Or:
Mike asked what time it was and Jane looked at the clock. 4:23 p.m. "It's four twenty-three," she told him.

Or perhaps some other combination? Thanks!

Reply
Claire Corbett
7/22/2025 09:39:20 pm

Hi Wil - I'm an editor and numerals in dialogue is one of my pet peeves though you do see it all too often. People can only say words. It has to be four twenty-three.' You wouldn't put dollar signs in dialogue, you'd use the word dollar. You wouldn't use other symbols such as @ or #. So, you can't use numerals either. Only words in dialogue.

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All right, so how would you recommend this: "It was an hour-and-a-half away," when the company uses AP style? I'm thinking hyphenated because they want fractions to be spelled out, but now I'm second-guessing the hyphens. :P

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Your article, "A Matter of Time," offers a clear and practical guide on expressing time in writing. The distinction you draw between Associated Press (AP) Style for journalism and conventions for novels is particularly enlightening. Providing cheat sheets for both formats serves as a handy reference for writers across genres. Your emphasis on consistency and awareness of varying style guidelines is invaluable for authors aiming for clarity and professionalism in their work.

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    DIANE HUGHES

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