You need to know the months of the year in order:

 

1. January

2. February

3. March

4. April

5. May

6. June

7. July

8. August

9. September

10. October

11. November

12. December

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A date can be written in words like this:

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The 25th of December 2020

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Or it can be written in 8 figures like this:

 

25/12/2020 

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This means 'the 25th day of the 12th month, 2020.'

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You may also see a date written in 6 figures:

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25/12/20

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