77
Lesson 77 of 84 · Maps and Geography
Historical Maps: How Borders Changed Over Time
Time zone maps show the world divided into 24 zones. As you move east, clocks advance one hour per zone, ensuring noon roughly matches the sun's highest point.
Key Facts
1
North is usually at the top.
2
Latitude and longitude form a grid.
3
A legend explains map symbols.
Check Your Understanding
Question 1
1 of 2Which direction is usually at the top of a map?