Show Standard Time Zones Officials of the large railroads m in the United States met m in 1883 to discover some method of estal establishing lishing a time system that could be universally adopted by all American railroads PrevIOusly all roads had used different systems systems The railroad men adopted a system tern tem based on the idea that 24 standard meridians should be es established 15 degrees apart in m Ion starting from the meridian of Greenwich England and ex extending extending tending around the globe An m in international international conference on stand standard standard and ard time meeting in m Washington m in 1884 made the same recommendation to the countries represented represented represented Since that time the four fourtune tune time zones Eastern Central Mountain and Pacific have been used in m this country |