American English (US)
08-15-2015 = August 15th, 2015
Convert and Write Out the Date, in Words:
August the fifteenth, twenty fifteen
or: August the fifteenth, two thousand fifteen
In American English the month is said first, followed by the day.
* The definite article 'the' can be left out:
August fifteenth, twenty fifteen
or: August fifteenth, two thousand fifteen
British English (UK)
15-08-2015 = 15th August, 2015
Convert and Spell Out the Date, in Words:
the fifteenth of August, twenty fifteen
or: the fifteenth of August, two thousand and fifteen
In British English the day is said first, followed by the month.