How can I differentiate duration vs starting time

Duration is a common difference between 'Starting time' and 'Ending time' Whereas 'Starting time' is a initiator of any time . Starting time: The starting time for our monthly meetings will be 9.30. Duration : The meeting will continue 9:30 to 12:00 .

1. What is duration in time?

What is duration in time?

Duration is how long something lasts, from beginning to end. A duration might be long, such as the duration of a lecture series, or short, as the duration of a party. The noun duration has come to mean the length of time one thing takes to be completed.