• The measure of continuance of any object or event within Time
  Time
  Time is a part of the measuring system used to sequence events, to compare the durations of events and the intervals between them, and to quantify rates of change such as the motions of objects....
  
  
• 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)
  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.Do not confuse duration with work. E.g...
  
   - the number of calendar periods for the completion of a project in project management
• Duration (finance) - the average time until all the cash flows from a bond
  Bond (finance)
  In finance, a bond is a debt security, in which the authorized issuer owes the holders a debt and, depending on the terms of the bond, is obliged to pay interest to use and/or to repay the principal at a later date, termed maturity...
  
   are delivered.

See also

• For duration in economics and finance, see Bond duration
  Bond duration
  In finance, the duration of a financial asset that consists of fixed cash flows, for example a bond, is the weighted average of the times until those fixed cash flows are received....
  
   and Autoregressive Conditional Duration
  Autoregressive conditional duration
  In financial econometrics, an autoregressive conditional duration model considers irregularly spaced and autocorrelated intertrade durations. ACD is analogous to GARCH...
  
  .
• For duration in phonetics and phonology (the feature of being pronounced longer) see Length (phonetics)
  Length (phonetics)
  In phonetics, length or quantity is a feature of sounds that are distinctively longer than other sounds. There are long vowels as well as long consonants .Many languages do not have distinctive length...