Pinpointing your place is extremely easy on the world map if you exactly know the latitude and longitude geographical coordinates of your city, state or country. With the help of these virtual lines, ...

A quick look at your trusty tables tells you which line of latitude the sun should be above on that particular day. For example, let's say it's noon on December 21, and the sun is directly overhead.

They run from the North Pole to the South Pole, crossing lines of latitude. There are 24 time ... Image caption, Maps of the world showing different time zones. The International Date Line is ...