Numbers. Dates
Dates
- Do not use the endings -st, -nd, -rd or -th with a figure in a date. Note that, in British English, dates are written in the order day–month–year, without internal punctuation.
16 July 2010
- In British English, the numeric form of the date above is, therefore:
16/07/10
- Note that, in American English, dates are written in the order month–day–year, with a comma between the day and the year.
July 16, 2010
- In American English, the numeric form of the date above is, therefore:
07/16/10
Days of the week
- Do not use a comma after the day of the week when it precedes a date.
Tuesday 6 July 2010
Years
- In running text, use all four digits when referring to a year (1971, not '71). Academic years should be hyphenated thus:
the 2011-2012 academic year
Decades
- Use numbers to refer to decades rather than writing them out. Do not add an apostrophe before the plural -s.
We were all born in the mid-1920s.
- In the case of the period 2000 to 2020, use a circumlocution such as the first decade of the twenty-first century or the second decade of the twenty-first century.
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