Mar 28, 2025 · The correct way to write the ordinal form of thirty is 30th, not 30rd. When forming ordinals in English, the last two letters of the written word determine the ending.

Incorrect spelling, explanation: this form, 30st, is a mistake because the suffix used to create ordinal numbers is the one that word forms of these numbers end with. Therefore thirtieth is 30th and thirty …

Mar 3, 2024 · To put it simply, “30th” is the correct form to use when writing the ordinal number for the 30th day of a month. The suffix “-th” is used to indicate ordinal numbers, which refer to the position or …

30th Definitions of 30th adjective coming next after the twenty-ninth in position synonyms: thirtieth

Apr 17, 2025 · So next time you’re marking a calendar or scheduling an event, remember it’s “30th,” never “30st.” Keeping your writing neat and following these simple rules will help ensure your …

The word thirty doesn’t have three in it so the suffix for the ordinal number is regular: -th. Therefore the correct form is 30th, not 30rd. Correct spelling, explanation: there are several suffixes used to create …

Dec 6, 2024 · In summary, “30th” is always the right way to refer to something that is numbered thirty in a series. Next time you’re writing or speaking, this handy tip will ensure you are correct.

Mar 23, 2023 · Correct spelling, explanation: 30th is the correct way to write down this ordinal number because the full-word form is thirtieth. Therefore letters th which are at the end of the word, become …

Thirty, therefore, gets the suffix -th which is the most common suffix for ordinal numbers. Thus, 30th is the correct form. For my 30th, birthday I’m planning to go on a trip around Europe. I think coming …

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