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IST Offset Reference

How Indian Standard Time compares with the zones people ask about most.

Indian Standard Time is UTC+05:30. This IST offset reference lists the gap to the zones asked about most, with a note where the other side's daylight saving changes it. India itself never shifts, so every seasonal variation below comes from the other country.

India ahead of

UTC: 5h30m · London: 5h30m in winter, 4h30m in British Summer Time · Central Europe: 4h30m in winter, 3h30m in summer · Gulf (Dubai): 1h30m, fixed · US Eastern: 10h30m in winter, 9h30m in summer · US Central: 11h30m / 10h30m · US Mountain: 12h30m / 11h30m · US Pacific: 13h30m / 12h30m.

India behind

Singapore and China: 2h30m behind, fixed · Japan and Korea: 3h30m behind, fixed · Sydney: 4h30m behind in Australian standard time and 5h30m in daylight time · Nepal: 15 minutes behind, the only country offset from India by a quarter hour. Use the IST converter for a specific date.

Guides about IST Offset Table

Questions answered Half-Hour Offset Time Zones and Why India Uses One Why India sits thirty minutes off the hour, which other places share the quirk, and the software bugs that half-hour and quarter-hour offsets reliably bring to light. 5 min read

More indiatime.now pages

India Time Now The current time in India — Indian Standard Time, UTC+5:30, live. IST Converter Convert Indian Standard Time to any zone in the world, and back. 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.

Frequently asked questions

Is IST always UTC+5:30?
Yes. India has used a fixed UTC+05:30 offset with no daylight saving since independence, apart from brief wartime exceptions.
Which country is closest to IST but not equal?
Nepal, at UTC+05:45 — fifteen minutes ahead of India, and one of only a handful of quarter-hour offsets in the world.