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The state of Assam wants to create its own time zone one hour ahead of Indian Standard Time to match its unofficial “Tea Garden Time,” which allows tea harvesters to end work by sundown.
On March 30 last year, Crimea moved its clocks forward two hours to synchronize with Moscow, forgoing daylight saving time and reflecting the region’s annexation by Russia.
In 2007, President Hugo Chávez moved the clocks back 30 minutes, creating a fairer “distribution of the sunrise” to improve health. Now Venezuela is the only country 4½ hours behind GMT.
The Pacific island completely skipped the day of Dec. 30, 2011, jumping across the international date line to be closer to New Zealand and Australia, its biggest trading partners.
This appears in the August 24, 2015 issue of TIME.