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Numbers, dates and times

Numbers

Write out the number in words if it starts a sentence.

Like this... Not like this...
Eleven herbs and spices in our fried chicken recipe. 11 herbs and spices in our fried chicken recipe.

When the number is below 10, write the word.

Like this... Not like this...
There was only one pizza left on the shelf. There was only 1 pizza left on the shelf.
I saw someone with 12 pizzas in their trolley. I saw someone with twelve pizzas in their trolley.

Dates

Use the 24-hour clock with a colon between the hour and minutes.

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At 14:00 the crow will call. At 2pm the crow will call.

Write out dates in words, rather than suffixes or slashes in dates, unless space doesn't allow you to do so.

Like this... Be careful with...
3 September 2021 3/9/21
3 Sep 2021 03/09/2021

Times

For approximate times, round to the nearest whole number. Remember to write numbers below 10 as words.

Like this... Not like this...
You last logged in two minutes ago. You last logged in 2 minutes ago.
You last logged in five minutes ago. You last logged in 4.5 minutes ago.
You last logged in 10 minutes ago. You last logged in ten minutes ago.

Zulu time should be used when writing for times that involve other countries.

Like this... Not like this...
The food will be delivered at 1400z (07:00 EST). The food will be delivered at 0700.

Last reviewed 19 April 2024 .
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