EDT时间（Eastern Daylight Time ）与北京时间如何换算？

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EDT时间（Eastern Daylight Time ）与北京时间如何换算？ - Mr.bssn 的个人博客
http://www.bssn.org/edt-time.html

EDT时间（Eastern Daylight Time ）与北京时间如何换算？
Written by Bssn on September 25th, 2007
During summer when daylight saving time is observed, your time is 12 hours ahead of EDT. So, 12pm 7/18 EDT would be your 0:00am 7/19. In winter, you are 13 hours ahead so 12pm 12/24 EST (Eastern Standard Time) would be your 1am 12/25.

什么是Eastern Standard Time？和北京时间差多少？_百度知道
http://zhidao.baidu.com/question/4604127.html
东部标准时间区EST(Eastern Standard Time)：较中国时间慢13小时