Use the format “[Date] [Month] [Year]” (depending on what information you have) written out with no commas. If the day of the week is relevant, then put it before the date. No “st”, “nd”, “rd” and “th”.
12 March 2014
Monday 3 March 2014
Write out months. If space is limited use the shortened version with no punctuation, but not for June and July.
Use the format “[date] to [date]”. If using months, repeat the year after each month if the period spans years.
2009 to 2010
July to September 2014
July 2013 to September 2014
For a period between 2 dates, use the format “between [date] and [date]”.
between 1986 and 2014
between July and September 2014
Decades should only have an apostrophe when they are a possessive, not a contraction.
a 1960s’ child
the 1960s were great
Use ordinal numbers.
Use “[Quarter 1]” only. Always explain which months are included in the quarter.
Business Investment, Quarter 1 Jan to Mar 2014 provisional results
For non-calendar years, state the type of year and only the ending year in the time span.
financial year ending 2011
academic year ending 2013