Why is India's time 30 minutes different?

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Tags

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2. #hours
3. #eastern
4. #decided
5. #halfway
6. #opposed
7. #example
8. #european
9. #india
10. #therefore
11. #other
12. #adopting
13. #became
14. #delhi
15. #themselves
16. #between
17. #found
18. #meridians