Duration

Template:Sister project Duration may refer to:

• The amount of time elapsed between two events
• Duration of action, how long a drug produces its effects
• Duration (finance) – the weighted average time until the various cash flows from a security, such as a bond, are received
• 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
• For duration in phonetics and phonology (the feature of being pronounced longer) see Length (phonetics)

See also

• Template:Srt
• Period (disambiguation)