UTC to IST to Dublin Time Converter
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Quick answers
Selected conversion
12:00 pm12:00 UTC (UTC+0), Oct 23, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 23, 2026 = 1:00 pm13:00 IST (UTC+1), Oct 23, 2026
UTC is 5 hours and 30 minutes behind IST. UTC is 1 hour behind Dublin.
How the time difference changes
UTC to IST
UTC is 5 hours and 30 minutes behind IST year-round.
Working hours of 9:00 am to 6:00 pm in UTC correspond to 2:30 pm to 11:30 pm in IST.Working hours of 09:00 to 18:00 in UTC correspond to 14:30 to 23:30 in IST.
UTC to Dublin
For most of the year, UTC is 1 hour behind Dublin. From Oct 25, 2026 to Mar 28, 2027, UTC and Dublin have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in UTC correspond to 10:00 am to 7:00 pm in Dublin. At other times of the year, working hours of 9:00 am to 6:00 pm in UTC correspond to 9:00 am to 6:00 pm in Dublin.For most of the year, working hours of 09:00 to 18:00 in UTC correspond to 10:00 to 19:00 in Dublin. At other times of the year, working hours of 09:00 to 18:00 in UTC correspond to 09:00 to 18:00 in Dublin.
Compare UTC time with IST and Dublin time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Coordinated Universal Time is 5 hours and 30 minutes behind India Standard Time. Coordinated Universal Time is 1 hour behind IST (Irish Standard Time).
12:00 pm12:00 in UTC is 5:30 pm17:30 in IST and is 1:00 pm13:00 in Dublin, Ireland
UTC to IST call time
Best time for a conference call or a meeting is between 9am-12:30pm09:00-12:30 in UTC which corresponds to 2:30pm-6pm14:30-18:00 in IST
UTC to Dublin call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in UTC which corresponds to 10am-6pm10:00-18:00 in Dublin
12:00 pm12:00 Coordinated Universal Time (UTC). Offset UTC 0:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
1:00 pm13:00 IST (Irish Standard Time) (Dublin, Ireland). Offset UTC +1:00 hour
12:00 pm12:00 UTC / 5:30 pm17:30 IST / 1:00 pm13:00 Dublin, Ireland
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| UTC | IST | Dublin, Ireland |
|---|---|---|
| 5:30am | 1:00am | |
| 6:30am | 2:00am | |
| 7:30am | 3:00am | |
| 8:30am | 4:00am | |
| 9:30am | 5:00am | |
| 10:30am | 6:00am | |
| 11:30am | 7:00am | |
| 12:30pm | 8:00am | |
| 1:30pm | 9:00am | |
| 2:30pm | 10:00am | |
| 3:30pm | 11:00am | |
| 4:30pm | 12:00pm | |
| 5:30pm | 1:00pm | |
| 6:30pm | 2:00pm | |
| 7:30pm | 3:00pm | |
| 8:30pm | 4:00pm | |
| 9:30pm | 5:00pm | |
| 10:30pm | 6:00pm | |
| 11:30pm | 7:00pm | |
| 12:30am next day | 8:00pm | |
| 1:30am next day | 9:00pm | |
| 2:30am next day | 10:00pm | |
| 3:30am next day | 11:00pm | |
| 4:30am next day | 12:00am next day | |
| 05:30 | 01:00 | |
| 06:30 | 02:00 | |
| 07:30 | 03:00 | |
| 08:30 | 04:00 | |
| 09:30 | 05:00 | |
| 10:30 | 06:00 | |
| 11:30 | 07:00 | |
| 12:30 | 08:00 | |
| 13:30 | 09:00 | |
| 14:30 | 10:00 | |
| 15:30 | 11:00 | |
| 16:30 | 12:00 | |
| 17:30 | 13:00 | |
| 18:30 | 14:00 | |
| 19:30 | 15:00 | |
| 20:30 | 16:00 | |
| 21:30 | 17:00 | |
| 22:30 | 18:00 | |
| 23:30 | 19:00 | |
| 00:30 next day | 20:00 | |
| 01:30 next day | 21:00 | |
| 02:30 next day | 22:00 | |
| 03:30 next day | 23:00 | |
| 04:30 next day | 00:00 next day |
Coordinated Universal Time
Offset: UTC is the same as Greenwich Mean Time (GMT).
Countries using this time zone: Antarctica, Burkina Faso, Faroe Islands, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Portugal, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Spain, Togo, United Kingdom, Western Sahara
Principal Cities: The largest city in the UTC time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is the successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but UTC is the standard the scientific community uses.
UTC has been the time standard commonly used across the world since 1972. It is used in many technical fields, such as aviation and meteorology, and to synchronize time across internet networks.
Today some of the lighter areas are on UTC+1 (British Summer Time, Irish Standard Time, WEST).
UTC representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Coordinated Universal Time
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
Countries using this time zone: India
Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.
Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
Current time in India: India time now
IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
Dublin Time Zone and Facts
Time Zone
GMT – Greenwich Mean Time, UTC+0 (standard time)