time zone:

More on time zone from Fact Monster:

• Time Zone Origins - A transcontinental train schedule was the mother of invention
• World Time Zones and Time Zone Map - World Time Zones and Time Zone Map Source: National Institute of Standards and Technology Physics ...
• Daylight Saving Time - Starting in 2007, "daylight time" will be observed from the second Sunday in March to the first Sunday in November, adding about a month to the current daylight saving time (the first Sunday in April to the last Sunday in October).
• Latitude and Longitude of World Cities - Latitude and Longitude of World Cities (and time corresponding to 12:00 noon, Eastern Standard ...
• Latitude and Longitude of U.S. and Canadian Cities - Latitude and Longitude of U.S. and Canadian Cities (and time corresponding to 12:00 noon, Eastern ...

See more Encyclopedia articles on: Astronomy: General