How do you read them in English?

1. 1983 nineteen eighty-three
2. 2005 two thousand and five
3. 1991.3 in the March nineteen ninety-one
4. 1846.9.21 in Sept the twenty-one eighteen forty-nine
我是从事英语的，不明再问。

1.nineteen eighty three
2.two thousand and five
3.March , nineteen ninety one
4.21st of September, eighteen fourty six

NINTEEN EIGHTY THREE
TWO THOUSAND FIVE
ON MARCH, NINTEEN NINTY ONE
ON SEPTEMBER TWENTY FIRST, EIGHTEEN FORTY SIX

年：艺尔
月：慢四
日：的诶（连读）

1. nineteen eighty-three
2. thousand and five
3. in the March nineteen ninety-one
4. in Sept the twenty-one eighteen forty-nine