Daylight saving time records of major countries

9 October 2021, 11:12
Yu Zhang
0
184

Daylight saving time records of major countries

主要国家夏令时记录

(Summer Time is also called DST: Daylight Saving Time)

(夏令时 Summer Time 也称 DST:Daylight Saving Time)

---According to the website

---根据网站

https://www.timeanddate.com/time/change/usa/new-york


===Tokyo does not implement daylight saving time===


===Daylight saving time in New York (calculated based on local time)===

1976-1986: the last Sunday in April at 02:00 --> the last Sunday in October at 02:00

1987-2006: 02:00 on the first Sunday in April --> 02:00 on the last Sunday in October

2007-present: 02:00 on the second Sunday in March --> 02:00 on the first Sunday in November


===London Daylight Saving Time (based on local time)===

1972-1980: the third Sunday in March at 02:00 --> the last Sunday in October at 03:00

1981-present: the last Sunday of March 01:00 --> the last Sunday of October 02:00


===Sydney Daylight Saving Time (based on local time)===

---(Southern Hemisphere, the season is opposite to that of Northern Hemisphere) (the big month is the beginning, the small month is the end)---

1972-1985: --> the first Sunday in March at 03:00 and the last Sunday in October at 02:00 -->

 (Except 1982): --> the first Sunday in April at 03:00 and ... -->

 (Except 1972): --> the last Sunday of February at 03:00 and ... -->


1986-1989: --> the third Sunday in March at 03:00 and the last Sunday in October at 02:00 -->

 (Except 1986): --> ... and the third Sunday in October at 02:00 -->


1990-1995: --> the first Sunday in March at 03:00 and the last Sunday in October at 02:00 -->


1996-2007: --> the last Sunday in March at 03:00 and the last Sunday in October at 02:00 -->

 (Except 2006): --> the first Sunday in April at 03:00 and ... -->

 (Except 2000): --> ... and the last Sunday of August at 02:00 -->


2008-present: --> the first Sunday in April at 03:00 and the first Sunday in October at 02:00 -->


===Frankfurt summer time (based on local time)===

1980-1995: Last Sunday in March at 02:00 --> Last Sunday in September at 03:00

 (Except 1980): the first Sunday in April at 02:00 --> ...


1996-present: the last Sunday of March at 02:00 --> the last Sunday of October at 03:00


===Wellington Daylight Saving Time (based on local time)===

---(Southern Hemisphere, the season is opposite to that of Northern Hemisphere) (the big month is the beginning, the small month is the end)---

1976-1989: --> the first Sunday in March at 03:00 and the last Sunday in October at 02:00 -->

 (Except 1989): --> ... and the second Sunday of October at 02:00 -->


1990-2007: --> the third Sunday in March at 03:00 and the first Sunday in October at 02:00 -->

 (Except 2007): --> ... and the last Sunday of September at 02:00 -->


2008-present: --> the first Sunday in April at 03:00 and the last Sunday in September at 02:00 -->



===How to adjust===

(Northern Hemisphere) Take the local time in New York and London as examples:

Daylight saving time starts:

On Sunday, March 14, 2021, at 2:00:00, the clock will be adjusted forward 1 hour to 3:00:00 local time.

End of daylight saving time:

On Sunday, November 7, 2021, at 2:00:00:00, the clock will go backwards 1 hour to 1:00:00 local time.


(Southern Hemisphere) Take local time in Sydney as an example (the big month is the beginning and the small month is the end):

Last year's daylight saving time ended:

On Sunday, April 4, 2021, the clock will move back 1 hour at 3:00:00 to 2:00:00 local time.

Daylight saving time starts:

On Sunday, October 3, 2021, the clock will be adjusted forward 1 hour at 2:00:00 to 3:00:00 local time.



===东京不实行夏令时===

===纽约的夏令时(以当地时间算)===
1976年-1986年:4月份的最后一个星期日02:00 --> 10月份的最后一个星期日02:00
1987年-2006年:4月第一个星期日02:00 --> 10月最后一个星期日02:00
2007年-至今:  3月的第二个星期日02:00 --> 11月的第一个星期日02:00

===伦敦的夏令时(以当地时间算)===
1972年-1980年:3月的第三个星期日02:00 --> 10月的最后一个星期日03:00
1981年-至今:  3月的最后一个星期日01:00 --> 10月的最后一个星期日02:00

===悉尼的夏令时(以当地时间算)===
---(南半球,季节与北半球相反)(大月份为开始,小月份为结束)---
1972年-1985年:--> 3月的第一个星期日03:00 and 10月的最后一个星期日02:00 -->
 (除了1982年):--> 4月的第一个星期日03:00 and ... -->

 (除了1972年):--> 2月的最后一个星期日03:00 and ... -->

1986年-1989年:--> 3月的第三个星期日03:00 and 10月的最后一个星期日02:00 -->

 (除了1986年):--> ... and 10月的第三个星期日02:00 -->

1990年-1995年:--> 3月的第一个星期日03:00 and 10月的最后一个星期日02:00 -->

1996年-2007年:--> 3月的最后一个星期日03:00 and 10月的最后一个星期日02:00 -->
 (除了2006年):--> 4月的第一个星期日03:00 and ... -->

 (除了2000年):--> ... and 8月的最后一个星期日02:00 -->

2008年-至今:  --> 4月的第一个星期日03:00 and 10月的第一个星期日02:00 -->


===法兰克福Frankfurt夏令时(以当地时间算)===

1980年-1995年:3月的最后一个星期日02:00 --> 9月的最后一个星期日03:00

 (除了1980年):4月的第一个星期日02:00 --> ...

1996年-至今:  3月的最后一个星期日02:00 --> 10月的最后一个星期日03:00


===惠灵顿Wellington夏令时(以当地时间算)===

---(南半球,季节与北半球相反)(大月份为开始,小月份为结束)---

1976年-1989年:--> 3月的第一个星期日03:00 and 10月的最后一个星期日02:00 -->

 (除了1989年):--> ... and 10月的第二个星期日02:00 -->

1990年-2007年:--> 3月的第三个星期日03:00 and 10月的第一个星期日02:00 -->

 (除了2007年):--> ... and 9月的最后一个星期日02:00 -->

2008年-至今:  --> 4月的第一个星期日03:00 and 9月的最后一个星期日02:00 -->



===怎么调整===

(北半球)以纽约、伦敦当地时间为例:
夏令时开始:
2021年3月14日星期日时,2时00分00秒时钟向前调1小时 至 当地时间3时00分00秒。
夏令时结束:
2021年11月7日星期日时,2时00分00秒时钟倒退1小时 至 当地时间1时00分00秒。

(南半球)以悉尼当地时间为例(大月份为开始,小月份为结束):
去年夏令时结束:
2021年4月4日星期日时,3时00分00秒时钟倒退1小时 至 当地时间2时00分00秒。
夏令时开始:

2021年10月3日星期日时,2时00分00秒时钟向前调1小时 至 当地时间3时00分00秒。


Share it with friends: