When referring to many Thursdays, there is no apostrophe.There were three Thursdays this month between paychecks.
When referring to a singular or plural possessive, it does.
Thursday's class was cancelled.
Thursday's classes were cancelled.
When it's written that way, yes it does. "Thursdays" on the other hand, does not.
The plural "Thursdays" doesn't need an apostrophe.
If the word ends in apostrophe s or ends in s apostrophe, then there is NO space before or after the apostrophe, but always a space before the next word.
A possessive noun always has an apostrophe.
In contraction of words, the apostrophe is always placed at the spot where the letter(s) has been removed. In this case, at the place of the second o. do not: don't
The apostrophe in John's is to show possession. The wind blew John's hat off his head. An apostrophe can be used to create a contraction as well. John's going to the store. (John is.) Remember that proper nouns are always capitalized.
The plural "Thursdays" doesn't need an apostrophe.
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If the word ends in apostrophe s or ends in s apostrophe, then there is NO space before or after the apostrophe, but always a space before the next word.
A possessive noun always has an apostrophe.
No year has 51 Thursdays. A year has either 52 or 53 Thursdays. Normally it has 52 Thursdays. If it starts on a Thursday or a leap year starts on a Wednesday, there are 53 Thursdays in the year.
Yes. Always. But should it be followed by an s?
No, the word "that" does not require an apostrophe to show possession. The possessive form of "that" is simply "that's."
In 2011, there will be 52 Thursdays.
There were 52 Thursdays in 2012.
There were 53 Thursdays in 2015.
In contraction of words, the apostrophe is always placed at the spot where the letter(s) has been removed. In this case, at the place of the second o. do not: don't
It will be on Thursdays from 9:00pm to 10:00pm.