Which is correct?
1901 = nineteen O one
or
1901 = nineteen Oh one
Thank you.
There is no difference in the pronunciation of those. If you are asking what is the correct way to write out in words how it is spoken, I would write "oh". Some people apparently write "o", but to me this does not look right.
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There is no difference in the pronunciation of those. If you are asking what is the correct way to write out in words how it is spoken, I would write "oh". Some people apparently write "o", but to me this does not look right. Opinions may vary. In any case there should be no capital. Some people use hyphens. Of course, almost always we would write "1901".