Clear abbreviation meanings

IST to GST time

Convert India Standard Time (UTC+05:30) to Gulf Standard Time (UTC+04:00). The meanings used on this page are explicit because short time-zone abbreviations can be ambiguous.

IST
--:--:--
UTC+05:30

Quick answer

The current difference is calculated here. Use the interactive converter for a specific past or future date.

IST: India Standard Time

--:--:--

UTC+05:30

India Standard Time is used here; IST can mean other zones in other contexts.

GST: Gulf Standard Time

--:--:--

UTC+04:00

Gulf Standard Time as used in the United Arab Emirates and Oman.

Avoid abbreviation mistakes

For travel, legal deadlines or future meetings, choose a named city or IANA zone. A short abbreviation alone may refer to more than one region.

24-hour IST to GST table

The table uses the exact definitions stated above.

ISTGST
00:00 ISTCalculating…
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Frequently asked questions

What does IST mean here?

India Standard Time (UTC+05:30). India Standard Time is used here; IST can mean other zones in other contexts.

What does GST mean here?

Gulf Standard Time (UTC+04:00). Gulf Standard Time as used in the United Arab Emirates and Oman.

Authoritative references

TimeNivo links to the primary standards and data publishers behind its terminology and calculations. These are editorial references, not paid links.