Roscommon to IST Time Converter
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Quick answers
Selected conversion
1:00 pm13:00 IST (UTC+1), Oct 13, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 13, 2026
Roscommon is 4 hours and 30 minutes behind IST.
How the time difference changes
For most of the year, Roscommon is 4 hours and 30 minutes behind IST. From Oct 25, 2026 to Mar 28, 2027, Roscommon is 5 hours and 30 minutes behind IST.
For most of the year, working hours of 9:00 am to 5:00 pm in Roscommon correspond to 1:30 pm to 9:30 pm in IST. At other times of the year, working hours of 9:00 am to 5:00 pm in Roscommon correspond to 2:30 pm to 10:30 pm in IST.For most of the year, working hours of 09:00 to 17:00 in Roscommon correspond to 13:30 to 21:30 in IST. At other times of the year, working hours of 09:00 to 17:00 in Roscommon correspond to 14:30 to 22:30 in IST.
Compare Roscommon time with IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
IST (Irish Standard Time) is 4 hours and 30 minutes behind India Standard Time.
1:00 pm13:00 in Roscommon, Ireland is 5:30 pm17:30 in IST
Roscommon to IST call time
Best time for a conference call or a meeting is between 9am-12:30pm09:00-12:30 in Roscommon which corresponds to 1:30pm-5pm13:30-17:00 in IST
1:00 pm13:00 IST (Irish Standard Time) (Roscommon, Ireland). Offset UTC +1:00 hour
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
1:00 pm13:00 Roscommon, Ireland / 5:30 pm17:30 IST
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| Roscommon, Ireland | IST |
|---|---|
| 4:30am | |
| 5:30am | |
| 6:30am | |
| 7:30am | |
| 8:30am | |
| 9:30am | |
| 10:30am | |
| 11:30am | |
| 12:30pm | |
| 1:30pm | |
| 2:30pm | |
| 3:30pm | |
| 4:30pm | |
| 5:30pm | |
| 6:30pm | |
| 7:30pm | |
| 8:30pm | |
| 9:30pm | |
| 10:30pm | |
| 11:30pm | |
| 12:30am next day | |
| 1:30am next day | |
| 2:30am next day | |
| 3:30am next day | |
| 04:30 | |
| 05:30 | |
| 06:30 | |
| 07:30 | |
| 08:30 | |
| 09:30 | |
| 10:30 | |
| 11:30 | |
| 12:30 | |
| 13:30 | |
| 14:30 | |
| 15:30 | |
| 16:30 | |
| 17:30 | |
| 18:30 | |
| 19:30 | |
| 20:30 | |
| 21:30 | |
| 22:30 | |
| 23:30 | |
| 00:30 next day | |
| 01:30 next day | |
| 02:30 next day | |
| 03:30 next day |
Roscommon Time Zone and Facts
Time Zone
GMT – Greenwich Mean Time, UTC+0 (standard time)
Roscommon Facts
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.
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