Lifetime may refer to: *

Life expectancy Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of its birth, current age, and other demographic factors like sex. The most commonly used measure is life expectancy at birth ...

, the length of time a person is expected to remain alive

Arts, entertainment, and media

Music

* Lifetime (band), a rock band from New Jersey * ''Life Time'' (Rollins Band album), by Rollins Band * ''Life Time'' (Tony Williams album), by American jazz drummer Tony Williams * ''Lifetime'' (Lifetime album), a 2007 album by the band Lifetime * ''Lifetime'' (Real Life album), 1990 * ''Lifetime'' (Klein album), 2019 * '' LifeTimes'', a 1979 album by Diana Hubbard * "Lifetime" (Katharine McPhee song), a 2010 song from ''Unbroken'' * "Lifetime" (Noah and the Whale song) * "Lifetime" (Maxwell song), a 2002 song by American R&B singer Maxwell * "Lifetime" (Usher song) * "Lifetimes", a 2001 Progressive house track by Slam * " A Lifetime", a 2001 song by Better Than Ezra * "Lifetimes" (song), a 2005 song by Sheryl Crow from ''Wildflower'' * "Lifetime" (Swedish House Mafia song) * "Lifetime" (Three Days Grace song)

Television

* "Life Time" (''M*A*S*H''), a 1979 episode of the TV series ''M*A*S*H'' * Lifetime (Southeast Asian TV channel), an Asian television channel owned by A+E Networks Asia *

Lifetime (TV network) Lifetime is an American basic cable channel that is part of Lifetime Entertainment Services, a subsidiary of A&E Networks, which is jointly owned by Hearst Communications and The Walt Disney Company. It features programming that is geared towar ...

, a cable television programming network geared towards women ** Lifetime (Canadian TV channel), the Canadian version of the TV channel of the same name * Lifetime (British and Irish TV channel), a defunct British entertainment television channel *

Lifetime Entertainment Services Lifetime Entertainment Services (LES) is an American entertainment industry company, whose media properties are focused on women. Lifetime Entertainment Services is a subsidiary of A&E Networks, a joint venture of Hearst Communications (50%) ...

(LES), an American entertainment industry company * LMN, formerly Lifetime Movie Network and Lifetime Movies, an American digital cable and satellite television network

Other uses in arts, entertainment, and media

* ''Lifetimes'', an alternative English-language title for a 1994 Chinese film, also known as '' To Live'' * ''Lifetimes: True Accounts of Reincarnation'' (1979), a book by

Frederick Lenz Frederick Philip Lenz, III, also known as Rama (Sanskrit: राम) and Atmananda (Sanskrit: आतमाननद; February 9, 1950 in San Diego, California – April 12, 1998) was a spiritual teacher who taught what he termed American Buddhism, ...

* ''Lifetimes'', alternate English title for the 1994 Chinese film '' To Live''

Duration or time span

Mean lifetime A quantity is subject to exponential decay if it decreases at a rate Proportionality (mathematics), proportional to its current value. Symbolically, this process can be expressed by the following differential equation, where is the quantity and ...

, a certain number that characterizes the rate of reduction ("decay") of an assembly of unstable particles *

Object lifetime In object-oriented programming (OOP), the object lifetime (or life cycle) of an object is the time between an object's creation and its destruction. Rules for object lifetime vary significantly between languages, in some cases between implementa ...

, in object-oriented programming, the time between an object's creation until the object is no longer used *

Product lifetime Product lifetime or product lifespan is the time interval from when a product is sold to when it is discarded. Product lifetime is slightly different from service life because the latter consider only the effective time the product is used. It is ...

, a product's expected lifetime *

Service life A product's service life is its period of use in service. Several related terms describe more precisely a product's life, from the point of manufacture, storage, and distribution, and eventual use. Service life has been defined as "a product's ...

, a product's expected time in use between point of sale and point of discard

Enterprises and organizations

* Lifetimes, a museum in Croydon, England (1995–2004), now known as the

Museum of Croydon The Museum of Croydon is a museum located within the Croydon Clocktower arts facility in Central Croydon, England. It showcases historical and cultural artefacts relating to the London Borough of Croydon and its people. The museum is owned and ...