American English (US)
12-25-740 = December 25th, 740
Convert and Write Out the Date, in Words:
December the twenty-fifth, seven forty
In American English the month is said first, followed by the day.
* The definite article 'the' can be left out:
December twenty-fifth, seven forty
British English (UK)
25-12-740 = 25th December, 740
Convert and Spell Out the Date, in Words:
the twenty-fifth of December, seven forty
or: the twenty-fifth of December, seven hundred and forty
In British English the day is said first, followed by the month.