Times

Format a time with no space and no full stop, and write out fractions of hours in full.

Use the 12-hour clock

Format a time with no space and no full stop.

Separate the hour and minute using a colon.

Do not use the 24-hour clock.

Examples

  • 10am
  • 5:30pm
  • 3pm to 5pm
  • 10am to 10:30am
  • 9am to 5:30pm

Periods of time

Write out fractions of hours in full:

Examples

  • half an hour
  • one and a half hours
  • one and three-quarter hours

If you're using a time period as an adjective, use hyphens.

  • a half-hour wait
  • a one-and-a-half-hour wait 

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