1. AIM: How is Longitude related to Time Zones?

2. I. Local Time (solar time)
Earth rotates counterclockwise (West to the East
It takes the Earth 24 hours to rotate through 360°
What is the Rate of Change for Earth’s rotation?
Earth has a rotation of 15°/hour

3. set up using meridians (lines of longitude) spaced at 15° intervals.
II. Time Zones
set up using meridians (lines of longitude) spaced at 15° intervals.
Starting at the Prime Meridian (00) and ending at the International Date Line (1800)
If times zones are spaced 150 apart, what is the difference in hours between two time zones?

5. Who experiences morning first compared to the Prime meridian?
East of the prime meridian experience the morning first.
Prime Meridian
AM PM
*Remember*
Earth rotates from the West to the East.

6. Closure:
Take the “Telling Time with longitude” worksheet from the Bottom Do Now Bin