What is the Difference Between UTC and GMT?
Learn how UTC differs from GMT, including precision and usage in scientific contexts.
Why Are There Not Exactly 24 Hours in a Day? Exploring Earth's Rotation
Discover why a day isn't always 24 hours due to Earth's rotation differences and adjustments like leap seconds.
Understanding Time Differences Between Countries: A Simple Explanation
Learn why time differences exist between countries and how Earth's rotation affects time zones.