Dates and times

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  • Format dates like this: 2nd March 2011. If you’re using a range of dates, go for 2nd to 3rd March over 2nd–3rd March. It looks nicer.
  • Grouped years should be 2001–2002 (not 2001–02). And remember to use an en dash, not a hyphen.
  • Use the 12-hour clock with a full stop, not a colon. Also use figures and ‘am’ and ‘pm’ (without full stops) – 2.00pm. No space between the number and the letters.
  • Don’t say 0.5 days when talking about periods of time. Say half a day. Or, if you're writing a quote, it's ½ a day (and make sure Word turns it into a pretty fraction and doesn’t leave it as 1/2).
  • If you’re talking about a decade, don’t put an apostrophe in it (1960s).