Its means belonging to it and it's means it is. but if we usually show possessiveness by adding an apostrophe and an -s, why doesn't that work here? The word it is a pronoun, and when you make a. It's and its are easy to confuse.

Its is the possessive form of it. Its is the possessive form of it. it's (with an apostrophe) is always short for it is (it's so fun) or it has (it's been nice knowing you). But, you might ask, don't apostrophes show possession, as in. It's (it is) nearly the end of the month. It's (it has) gone really quickly. Its is a possessive determiner (like my, your, his) which we use when referring to things or animals: Every house in the street has got its.

It's (it has) gone really quickly. Its is a possessive determiner (like my, your, his) which we use when referring to things or animals: Every house in the street has got its. Its with no apostrophe, on the other hand, is the possessive word, like his and her, for nouns without gender. For example, the sun was so bright, its rays blinded me.