1st: Here is the short answer

Here is the short answer, in case you are in a rush: '1st' is the correct numeric abbreviation of the ordinal first . '1th' is a grammatical error, and it should never be used. The brief overview will help you if you need to quickly decide which spelling to use, but there is more to learn. first = 1st second = 2nd third = 3rd fourth = 4th twenty-sixth = 26th hundred and first = 101st Titles In names for kings and queens, ordinal numbers are written in Roman numbers. In spoken English, the definite article is used before the ordinal number: Charles II - Charles the Second Edward VI - Edward the Sixth Henry VIII - Henry the Eighth Ordinal numbers in English and when to use them including in dates, sequence or order of things, floors, centuries, and more - Chart and ESL Video. Learn why " 1st " is the standard form for the ordinal number "1" and avoid the common mistake of using "1th". See examples of how to use " 1st " in different contexts and avoid confusion with cardinal numbers.