Why does the winter time change?

Related questions

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2. Why is there no daylight savings time in Arizona?
3. What does 10 am CST mean?
4. Is San Antonio the same time zone as Chicago?
5. Is there a time change in Illinois?
6. Why did daylight savings time start?
7. Did time go forward?
8. What is US Central time?
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Tags

1. #according
2. #purpose
3. #daylight
4. #months
5. #saves
6. #countries
7. #places
8. #called
9. #sources
10. #change
11. #dates
12. #summer
13. #during
14. #different
15. #clocks
16. #evening
17. #world
18. #better
19. #morning
20. #saving
21. #energy