• Prior to 2005 only 16% of Indiana counties observed Daylight Savings Time
  • Though most time zones differ in increments of 1 hour, some use half an hour or a quarter of an hour
  • In 1892 American Samoa switched to the east side of the date line (celebrating July 4th twice) in order to enhance trade with the U.S., and in 2011 they switched back to the west side to be more in line with Australia and New Zealand, now their largest trade partners
  • UTC replaced GMT as the official standard for world time in 1972, however the term GMT is still more commonly used
  • Almost a quarter of the world’s population lives in “”GMT +8″” which includes China and Malaysia
  • The least populous time zone is “”GMT +10.5″” which is used exclusively by the Lord Howe Islands in the Pacific
  • Most countries close to the equator, where there is less variation in sunlight between the seasons, do not observe daylight savings time
  • Australia has both vertical and horizontal time zones
  • Russia is geographically spread over 12 time zones, but officially observes only 9, and as a result Japan is 2 hours behind Vladivostok, Russia, even though Japan is east of Vladivostok
  • Gravity makes time run more slowly, thus airplane passengers, flying where Earth’s pull is weaker, age a few extra nano­seconds each flight