terrestrial time

1. A time standard proposed by Sandford Fleming in the late 19th century to replace Greenwich time and Paris time by one that is universally adopted.

   Whenever exact time was required for any purpose, terrestrial time, assuming it to be in general use, would be available.

   1879, Sanford Fleming, Uniform Non-local Time (terrestrial Time), page 23

   1 more example

   Sanford Fleming, director of the Canadian Pacific Railway, insisted on the necessary introduction of a uniform time for the whole world: terrestrial time. Whereas Dowd's national system only encompassed North American railroads, Fleming's terrestrial time extended around the world and was called cosmopolitan time (Bartky 2007).

   2013, Luchien Karsten, Globalization and Time, page 17

2. literatureTime based on the time system used on Earth, consisting of 24-hour days.

1. Alternative letter-case form of Terrestrial Time.

alternative terrestrial time

1. astronomyA modern astronomical time standard defined by the International Astronomical Union, primarily for time-measurements of astronomical observations made from the surface of the Earth.

   Synonyms: Terrestrial Dynamical Time