An exploration of relativity and timekeeping that answers a question you didn't know you had: what time is it on Mercury? Animations were created using a fork of ManimCE with a few modifications: The Manim Community Developers. (2025). Manim – Mathematical Animation Framework (Version ) [Computer software]. Original music by Mert S. This is my first video, and I did not anticipate it doing so well! I will take steps to get my citations in the description soon. ___ 00:00 What time is it on Mercury? 01:25 Video Overview 02:10 Calendars and Time Standards 07:49 Introduction to Relativity 10:30 Early Observations about Light 13:02 Consequences of a Constant Speed of Light 14:30 Special Relativity 18:10 General Relativity 21:28 Verifying Relativity 23:33 Final Results