Dublin uses Europe/Dublin and stays in step with London for ordinary civil time.
Detecting your timezone for a personal comparison…
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Irish Standard Time (summer) shares the letters IST with India Standard Time. This city page is Ireland. Technology firms in Dublin convert to US Eastern Time the same way London does, using Europe/Dublin for correctness.
Dublin uses Europe/Dublin. The current offset is UTC+01:00. Clocks on this page update from that IANA zone rather than from the server’s local time.
Dublin, Ireland is in Greenwich Mean Time (Europe/Dublin). Dublin uses Europe/Dublin and stays in step with London for ordinary civil time.
Daylight saving time is in effect The United Kingdom observes British Summer Time from late March to late October. During BST the London offset is UTC+01:00.
At this moment the offset difference is +00:00 hours relative to UTC labels, meaning Dublin compared with London can be converted in the time zone converter using Europe/Dublin and Europe/London. Daylight saving on either side is applied automatically.