中国夏时制夏令时实施时间与北京时间 - 清云居 中国夏时制实施时间规定(夏令时). 我国解放前几年在部分地区也曾实行过夏令时。1986年4月，中央有关部门发出“在全国范围内实行夏时制的通知”，具体作法是：每年 ...
香港夏令時間 - 香港天文台 Hong Kong Summer Time ,香港夏令時間. ... 香港的夏令時間於1941 年開始實施。 香港夏令時間香港標準時間+ 1 小時 以下是香港自1941 年實施夏令時間的記錄: ...
About Daylight Saving Time - History, rationale, laws & dates Why do we have Daylight Saving Time? History from Benjamin Franklin to the present. U.S. law and practice. Worldwide time change dates. Daylight Saving Time. Just as sunflowers turn their heads to catch every sunbeam, so too have we discovered a simple wa
Daylight Saving Time Around the World 2011 This page contains dates for when Daylight Saving Time (DST) starts and end during year 2011. ... Daylight saving time is often incorrectly referred to as “daylight savings time”. In some countries, it is also called “summer time”.
Daylight Saving Time - Why, When, Where? - Cloud view Cloud view. Most of the United States begins Daylight Saving Time at 2:00 a.m. on the second Sunday in March and reverts to standard time on the first Sunday in November. In the U.S., each time zone switches at a different time. In the European Union, Sum
Daylight Saving Time - Infoplease: Encyclopedia, Almanac, Atlas, Biographies, Diction 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).
Daylight saving time by country - Wikipedia, the free encyclopedia Daylight saving time (DST) by country, showing an overview of current usage and some history by country. For more detailed observations by country and continent consult the continent level articles: Daylight saving time in Africa Daylight saving time in A
When Does Daylight Saving Time Begin and End? History of daylight saving time and a brief calendar of the time change.
夏令时_百度百科 行動版 - 夏时制，夏时令（Daylight Saving Time：DST），又称“日光节约时制”和“夏令时间”，是一种为节约能源而人为 ...
夏令时_互动百科 行動版 - 夏令时（Daylight Saving Time，缩写为DST），又称“日光节约时制”和“夏时制”，是一种为节约能源而人为规定 ...
