It's my birthday soon.

it's Contraction

— The contraction of "it is". Bring you coat. It's raining. "Where's the book?" "It's on the teacher's desk." "What's that?" "This? It's just a piece of paper." — The contraction of "it has". It's been a long time since I've had cake.

my Pronoun

— My things are things that belong to me. Is this my book, or is it yours?

birthday Noun

— The day you were born. They will need your birthday on the application. My birthday is September 14, 1972. — The same day of the year you were born, happening every year. Often there is a party for a person's birthday. My birthday is September 14. We celebrated my birthday a week late this year.

soon Adverb

— Something that happens soon happens shortly after another time, often shortly after the time of speaking. Why did he call me so soon? Did something bad happen? John is coming home soon. How soon will it be ready? — If mathx/math happens as soon as mathy/math does, mathx/math happens right after mathy/math. As soon as he finished eating, he got up and walked away from the table.

soon Adjective

— If something is soon, it is shortly after another time, often shortly after the time of speaking. He wanted to leave, but it seemed too soon. There will be a time when we'll need a new school, and that time will probably be soon.