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Convert IST Timezone

Convert Irish Standard Time (IST) to and from any other time zone.

Convert IST to any other time zone and back. IST is Irish Standard Time, which runs at UTC+01:00.

The clock below starts on IST using Dublin, Ireland, so you can read straight across to the cities you care about. Add or remove rows to build the comparison you need, and set a date and time to check a moment in the past or future.

    Selected Date: 00:00
    00:00
    23:59

    For more converters, browse our full list of time zone converters.

    IST covers 2 IANA time zones, including Eire, Europe/Dublin. Daylight saving is applied automatically for whichever zone a city actually uses, so the result stays correct across the changeover.

    Uniquely, Irish Standard Time (IST) is used during the summer months in Ireland, making it a daylight saving time. During winter, Ireland uses Greenwich Mean Time (GMT), which is UTC+00:00. So IST is effectively Ireland's summer time.

    See the IST time zone overview for the full picture, or the full time zone converter to compare any cities you like.

    Convert from IST

    Convert to IST

    Browse all time zone converters · IST time zone overview