There is not apostrophe in June.
But, there would be apostrophe in the following example:
June's car was totaled in the accident.
There is no need to use an apostrophe in June unless you are referring to a possessive case, such as "June's days are shorter in Australia than they are in the USA because it is winter in the Southern Hemisphere."
you dont use an apostrophe in will not
No, but you might need a comma, for example: The classes will be held on Tuesdays, June to August.
you do not use an apostrophe in cultures.
One should never use an apostrophe for the word that.One should always use an apostrophe for the word that's, meaning that is.
An apostrophe is used in contraction. Example: you will: you'll
If you are indicating possession (Achilles' heal) use an apostrophe at the end of the word. If you are simply stating his name, there is no apostrophe.
it's (as in it is)
No
aren't
Use an apostrophe s to indicate possession.Example:Gibson's guitar strings broke last night.
When it is a possessive, use apostrophe. The waitress's coat was stolen. The waitresses' paychecks were cut.