standard meridian

English

Noun

standard meridian (uncountable)

1. The meridian used for determining standard time.
   • 1884, International Institute for Preserving and Perfecting Weights and Measures, Committee on Standard Time, What Shall be the Prime Meridian for the World?, page 22:

     It is intended that local time at any place on the surface of the globe shall generally be regulated by the standard meridian nearest or most convenient to such place in longitude.

Further reading

“standard meridian”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.