What was the major factor when determining how to standardize how the world measures time by the Prime Meridian?

Question

Quizplus · Accepted Answer

The standardization of how the world measures time by the Prime Meridian was based on agreements made at the Rome conference for International Geographers in 1875 and International Meridian conference in Washington, D.C. in 1884. These conferences established the Greenwich Meridian as the Prime Meridian and recommended that it be used as the reference point for measuring longitude and time throughout the world.

What Was the Major Factor When Determining How to Standardize