We have different class days throughout the week.

Hump days are the middle days of the week.

There are many 0-days in the cybersecurity world.

Many countries celebrate their national days with parades and fireworks.

The polling days for the election have been announced.

Thanksgiving Days are a time for family and gratitude.

We celebrate Father's Days by spending quality time with our dads.

Independence Days are celebrated with fireworks and parades.

There have been several zero-days discovered in the latest software update.

There were zero days without rain last week.