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 is the primary factor that determines local time in different regions of the world?

• Latitude

• Longitude

• Altitude

• Climate

How many degrees apart are the time zones typically divided?

• 20°

• 15°

• 10°

• 25°

Which city was chosen as the Universal Meridian during the International Meridian Conference?

• Paris

• New York

• Greenwich

• Tokyo

By what year had most countries aligned their clocks with the established time zones?

• 1929

• 1980

• 1900

• 1950

What is a common effect on the body when traveling across multiple time zones?

• Enhanced appetite

• Jet lag

• Improved sleep

• Increased energy