Why did we have to stay up late 熬夜 for the football match and the opening ceremony of Asian Games at midnight? Different places have time We call the difference . ( 时差 ) time difference Different Video
Practice Beijing +3 7 ： 00(P.M.) Doha +8 12 ： 00(A.M.) Washington, D.C. -5 11 ： 00(A.M.) 12.2 12.1 12.1 time zone time date city When did we watch the opening ceremony of the 15th Asian Games ?
1.Calculate the ( 时差 ): If the two places are both in the same eastern or western time zones ,we use to find the time difference ;If one place is in the eastern time zone, and the other is in the western time zone ,we use . 求区时差 : 同 区相 减 ， 异 区相 加 。 conclusion How to calculate the time in different places time difference subtraction addition
2.Calculate the time in one zone: The time in the east is than the time in the west .If we want to calculate the time in the ,we should add the time difference; if we want to calculate the time in the west ,we should the time difference. 求区时：东边的时刻总比西边的时刻 早 。 求 东 边的时刻 加 时差，求 西 边的时刻 减 时差。 earlier east subtract
阿忠在房间打了电话问饭店柜台：“你能告诉我台北和悉尼的时差吗？ " 总机： " JUST A MINUTE .. ." 阿忠回了一句： " THANK YOU " ，然後挂断了电话。 Is it funny ？ Joke What is the time difference between the two cities ？
Movie 《 Around the World in 80 days 》 When Fox returned to London ,he thought he had failed （失败） , but the truth is opposite （相反） . Do you know why? The International Date Line
The argument( 争论 )of the First Sunrise of the New Millennium ( 新 千年 -2000 ) Russia OR New Zealand What was the first country to welcome the first sunrise of the new Millennium (2000)? Do you know why?