Why Are Some Countries 30 Minutes Off the Global Time Zone Grid?

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.

Number of time zones in the world - Flytrippers

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

International Date Line, Definition & Location - Lesson

Japan Standard Time - Wikipedia

Ever wonder why are some countries 30 minutes off the global

Daylight saving time by country - Wikipedia

2 Time Zones in India

macos - Using automatic setting but getting wrong timezone

Indian Standard Time - Wikipedia

latitude and longitude - Students, Britannica Kids

Australian Eastern Daylight Time – AEDT Time Zone

At which border does the largest time jump between two time zones

Time Zone Map of the United States - Nations Online Project