GST to IST
Convert Gulf Standard Time (GST) to India Standard Time (IST), live. IST is normally 1 hour 30 minutes ahead of GST. Pick any time below, or open the full world clock map.
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GST vs IST
GST (Gulf Standard Time) runs at UTC+4 and IST (India Standard Time) at UTC+5:30. IST is normally 1 hour 30 minutes ahead of GST.
GST stays at UTC+4 all year round — it does not observe daylight saving time. IST stays at UTC+5:30 all year round — it does not observe daylight saving time.
Looking for the reverse conversion? See IST to GST. You can also browse every offset on the interactive time zone map or line up several zones at once with the meeting planner.