American English (US)
09-07-2018 = September 7th, 2018
Convert and Write Out the Date, in Words:
September the seventh, twenty eighteen
or: September the seventh, two thousand eighteen
In American English the month is said first, followed by the day.
* The definite article 'the' can be left out:
September seventh, twenty eighteen
or: September seventh, two thousand eighteen
British English (UK)
07-09-2018 = 7th September, 2018
Convert and Spell Out the Date, in Words:
the seventh of September, twenty eighteen
or: the seventh of September, two thousand and eighteen
In British English the day is said first, followed by the month.