Time Zones

The video explains the concept of time zones, which are regions on Earth using the same standard time based on longitudinal meridians. It describes how time zones are calculated, the historical establishment of time zones at the International Meridian Conference in 1884, and the adoption of Greenwich Mean Time as the universal standard. The video also discusses the impact of time zones on the human body, particularly when traveling across different zones.

What new insight or understanding did you gain from this video?