Duration

Duration may refer to:

• The amount of elapsed time between two events
• Duration (music) – an amount of time or a particular time interval, often cited as one of the fundamental aspects of music
• Duration (philosophy) – a theory of time and consciousness first proposed by Henri Bergson
• Duration (project management) – the number of calendar periods for the completion of a project in project management
• Bond duration – the average time until all the cash flows from a bond are delivered

See also

• Period (disambiguation)
• For duration in economics and finance, see Bond duration and Autoregressive Conditional Duration.
• For duration in phonetics and phonology (the feature of being pronounced longer) see Length (phonetics)