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IST Full Form — Indian Standard Time

IST full form is Indian Standard Time. The official time zone of India, UTC plus 5 hours and 30 minutes. IST is used across all of India regardless of east-west location. Coordinated nationally

TL;DR: IST full form is Indian Standard Time. The official time zone of India, UTC plus 5 hours and 30 minutes. IST is used across all of India regardless of…

By Syllab.in · Updated Jun 17, 2026

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