Duration may refer to: * The amount of time elapsed between two events *

Duration (music) In music, duration is an amount of time or how long or short a note, phrase, section, or composition lasts. "''Duration'' is the length of time a pitch, or tone, is sounded." A note may last less than a second, while a symphony may last mo ...

– an amount of time or a particular time interval, often cited as one of the fundamental aspects of music *

Duration (philosophy) Duration (French: ''la durée'') is a theory of time and consciousness posited by the French philosopher Henri Bergson. Bergson sought to improve upon inadequacies he perceived in the philosophy of Herbert Spencer, due, he believed, to Spencer's ...

– a theory of time and consciousness first proposed by Henri Bergson *

Duration (project management) Duration of a project's terminal element is the number of calendar periods it takes from the time the execution of element starts to the moment it is completed. Duration should not be confused with work. E.g. it takes three days for a snail-mail ...

– the number of calendar periods for the completion of a project in project management * Bond duration – the weighted average time until the various cash flows from a

bond Bond or bonds may refer to: Common meanings * Bond (finance), a type of debt security * Bail bond, a commercial third-party guarantor of surety bonds in the United States * Chemical bond, the attraction of atoms, ions or molecules to form chemica ...

are received

See also