Understand the concept of time difference on Earth.
Learn how Earth’s rotation affects time.
Identify time zones and reference lines.
Understand why different places have different local times.
Develop Earth–space visualization skills.
Earth rotates once in about 24 hours.
Different longitudes experience day and night at different times.
Time zones help maintain standard time across regions.
A table-top model makes time differences easy to understand.
This model explains global timekeeping clearly.