IST time now
IST has several regional meanings. Compare the current time, UTC offset and IANA rule set before scheduling.
What IST can mean
Current abbreviations and offsets are calculated for this instant. A regional zone may be in a different seasonal phase today.
India Standard Time
IndiaIrish Standard Time
IrelandIsrael Standard Time
Israel| Meaning | Current abbreviation | UTC offset | Rule set | Notes |
|---|---|---|---|---|
| India Standard Time India | IST | UTC+05:30 | Asia/Kolkata | India's national civil time, UTC+05:30. |
| Irish Standard Time Ireland | IST | UTC+01:00 | Europe/Dublin | Ireland's summer-time abbreviation; winter time is GMT. |
| Israel Standard Time Israel | IDT | UTC+03:00 | Asia/Jerusalem | Israel's standard-time abbreviation; summer time uses a different offset. |
Regional meanings of IST
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Time zone converter
Convert historical, current or future wall times between cities, IANA zones and UTC offsets.
IST time-zone questions
What does IST mean?
On this page IST can refer to India Standard Time, Irish Standard Time, Israel Standard Time. The intended meaning depends on the region and date.
Is IST a unique time zone?
No.
Can the UTC offset for IST change?
A fixed abbreviation entry has a fixed offset, but a geographic regional time zone can switch abbreviations or offsets under daylight-saving rules.
What should I enter in the time converter?
Use a city or an IANA time-zone identifier when an abbreviation is ambiguous. This avoids silently choosing the wrong region.
