standard time
  • noun
    (written as Standard Time)
    a universally adopted time for all countries within a given time zone on the Earth’s surface
  • (written as Standard Time)
    Uniform time observed within a given time zone on the Earth’s surface
  • An hour of day based on a celestial parameter, such as the rotation of the planet. It may be, for instance, any of the established time zones along the surface of the planet.
  • The average or usual time required for a given task, step, process, operation, or the like.

Not what you were looking for?