As of 2011, the school is 61 days in duration.

They often last only about ten minutes in duration, but some are longer.

The real test of a winter is in its duration.

They will be two minutes each in duration by agreement.

Some attacks may be less than five minutes in duration.

The first and second rounds are five minutes in duration.

The entire work itself is approximately 45 minutes in duration.

It is usually around 25-30 minutes in duration when performed.

These trips may often be over three weeks in duration.

All games tended to become longer in duration as well.