time in the Americas Daylight saving time in Oceania See also Analysis of daylight saving time Winter time (clock lag) Notes References Sources The British version, focusing on the UK, is Further reading External links Daylight Saving Time Congressional Research Service Information about the Current Daylight Saving Time (DST) Rules, U.S. National Institute of Standards and Technology "Legal Time 2015", Telecommunications Standardization Bureau of the ITU Sources for time zone and daylight saving time data Use of Changing Times Around the World