- Difference between Its and It's - Basic English Grammar

It's vs. Its: How Should You Use Them? - 

The word, ‘it’s’, with an apostrophe, is a contraction(short form) of ‘it is’ or ‘it has’. When you want to say -‘it is’ or ‘it has’, use an apostrophe(').

Examples:

• It’s a pleasant day.
• It’s time to meet my grandfather.
• It’s been great meeting to you.
• The business began in June, and since then, it’s been booming.

The word, ‘its’, without an apostrophe, is the possessive of the pronoun ‘it’. When you want to show ‘possession’ or ‘ownership’ don’t use the apostrophe(').

Examples:

• Google celebrated its tenth anniversary.
• The ice is in its tray.
• The bird is in its house.
• The elephant is in its zoo.
• The dog hurt its leg.