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IST Time Zone Converter

Convert Indian Standard Time to any zone in the world, and back.

This IST converter turns Indian Standard Time into any other zone and back again. Because IST sits at a half-hour offset and never shifts for daylight saving while many other zones do, the gap between India and elsewhere changes twice a year — which is exactly the trap this tool removes.

The gap is not constant

India stays at UTC+05:30 year-round, so when a partner country enters daylight saving the difference narrows by an hour, and when it leaves the difference widens again. Converting for the actual meeting date, not today's date, is the habit worth forming. Worked examples for the US are in IST to EST and PST.

Common pairs, done for you

For the routes people use most there are dedicated pages: India and the USA, India and the UK, and India and the Gulf, each showing both clocks side by side with the live gap between them.

Guides about IST Converter

Guides IST to AEST: Converting Indian Time to Australian Time The exact gaps from Indian Standard Time to every Australian zone, which states shift for daylight saving, and the meeting window that works for both countries. 5 min read Guides IST to GMT and UTC: Converting Indian Time to London How to convert Indian Standard Time to GMT, UTC and British Summer Time, with the two gaps that matter, a mental shortcut, and the difference between GMT and UTC. 5 min read

More indiatime.now pages

India Time Now The current time in India — Indian Standard Time, UTC+5:30, live. India ↔ USA Indian Standard Time and US Eastern side by side, with the live gap between them. India ↔ UK Indian Standard Time and London side by side, with the seasonal shift shown. India ↔ Gulf Indian Standard Time and Gulf Standard Time, one and a half hours apart. IST Offset Table How Indian Standard Time compares with the zones people ask about most.

Frequently asked questions

Does the converter handle daylight saving?
Yes. IST never shifts, but the other side often does, and the converter applies the correct rules for the date you choose.
What is IST in UTC?
IST is UTC+05:30, so subtracting five and a half hours from an IST time gives UTC.
Why does the date sometimes change?
For zones far to the west, an Indian morning is the previous evening. The converter shows the resulting date so this is visible.