Preposition of time.

My birthday is ___ February,

• At

• In

• On

I go to the gym ___ Friday.

• On

• In

• At

We will meet ___ 5:00 pm.

• On

• At

• In

The last Olympics were held ___ 2020.

• In

• At

• On

I usually study ___ Sundays.

• At

• An

• On

They left ___ 9:00 am.

• At

• On

• An

We visited the park ___ March.

• At

• On

• In

I like to sleep ___ night.

• In

• On

• At

It rains a lot ___ spring.

• On

• In

• At