Curated OER
Understanding Latitude, Longitude, and Time Zones
Students take an imaginary world tour by locating cities with latitude and longitude. They plan an itinerary and calculate the time zones from which they would call home. Then they construct word problems involving travel across time zones.
Other
The Royal Observatory at Greenwich: Homepage
This site from The Royal Observatory at Greenwich is a very historically important astronomical observatory. The site has a combination of information about astronomy, longitude and time. Information written in highly accessible...
Wikimedia
Wikipedia: Prime Meridian
This site from the Encyclopedia Wikipedia provides an encyclopedia article on the prime meridian discusses the important principles were established at the International Meridian Conference in 1884.