That information is completely unnecessary.

He thinks that war is a necessary evil.

When the sun rises, a new day begins.

I am busy with work during the daytime.

The eighth day of every month is my birthday.

Our picnic is scheduled for the ninth.

Our monthly meeting is scheduled for the seventh day of the month.

Her graceful movements are just like a ballerina's.

This treaty was concluded to strengthen the friendly relations between the two countries.

I made a reservation at the restaurant.