Why Are Some Countries 30 Minutes Off the Global Time Zone Grid?
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Stuck between two time zones, some folks decided to make one of their own. On the opposite end of the scale, all of China claims only one time zone.
![](https://img.flytrippers.com/wp-content/uploads/2022/12/30133658/number-of-time-zones-in-the-world.png)
Number of time zones in the world - Flytrippers
![](https://gisgeography.com/wp-content/uploads/2020/01/US-Time-Zone-Map-Feature.png)
Different Time Zones United States Time Guide for Businesses, 8 am pt to est
Ever wonder why are some countries 30 minutes off the global
![](https://study.com/cimages/multimages/16/map_of_the_pacific_region.svg5828066352813867134.png)
International Date Line, Definition & Location - Lesson
![](https://upload.wikimedia.org/wikipedia/commons/thumb/1/10/TZdiff-Japan.png/220px-TZdiff-Japan.png)
Japan Standard Time - Wikipedia
Ever wonder why are some countries 30 minutes off the global
![](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f2/World_DST.svg/800px-World_DST.svg.png)
Daylight saving time by country - Wikipedia
![](http://drishtiias.com/images/uploads/1663315867_Most_TIme_Zones_Drishti_IAS_English.png)
2 Time Zones in India
![](https://i.stack.imgur.com/Jovkm.png)
macos - Using automatic setting but getting wrong timezone
![](https://upload.wikimedia.org/wikipedia/commons/thumb/d/db/IST-CIA-TZ.png/300px-IST-CIA-TZ.png)
Indian Standard Time - Wikipedia
![](https://cdn.britannica.com/63/2063-004-D677C5D9.jpg)
latitude and longitude - Students, Britannica Kids
![](https://c.tadst.com/gfx/tzpage/aedt.1711249200.png?1649)
Australian Eastern Daylight Time – AEDT Time Zone
At which border does the largest time jump between two time zones
![](https://www.nationsonline.org/maps/USA/US-timezones-map.jpg)
Time Zone Map of the United States - Nations Online Project