IST to SGT Atlantic Converter
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
5:30 pm17:30 IST (UTC+5:30), Oct 16, 2026 = 10:00 am10:00 SGT (UTC-2), Oct 16, 2026
IST is 7 hours and 30 minutes ahead of SGT.
IST and SGT examples
These examples always use IST (UTC+5:30) and SGT (UTC-2). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IST is 7 hours and 30 minutes ahead of SGT.
How the time difference changes
IST is 7 hours and 30 minutes ahead of SGT Atlantic year-round.
Working hours of 9:00 am to 6:00 pm in IST correspond to 1:30 am to 10:30 am in SGT Atlantic.Working hours of 09:00 to 18:00 in IST correspond to 01:30 to 10:30 in SGT Atlantic.
Compare IST time with SGT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 7 hours and 30 minutes ahead of South Georgia Time.
5:30 pm17:30 in IST is 10:00 am10:00 in SGT
IST to SGT call time
Best time for a conference call or a meeting is between 4:30pm-6pm16:30-18:00 in IST which corresponds to 9am-10:30am09:00-10:30 in SGT
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
10:00 am10:00 South Georgia Time (SGT). Offset UTC -2:00 hours
5:30 pm17:30 IST / 10:00 am10:00 SGT
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.
| IST | SGT |
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| 4:30pm previous day | |
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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
South Georgia Time
Offset: SGT is 2 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: South Georgia and the South Sandwich Islands
Principal Cities: The largest city in the SGT time zone is Grytviken in the South Georgia and the South Sandwich Islands, with about 2 people.
Daylight Saving: Clocks in South Georgia Time (SGT) do not change for daylight saving time, so SGT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
SGT representations, usage and related time zones
- -02 - basic short
- -0200 - basic
- -02:00 - extended
- -0200 - sign character (-) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the west of the zero meridian.
- Oscar - Military abbreviation for SGT
- O - short form of 'Oscar'
- PMDT - Pierre & Miquelon Daylight Time
- WGT - West Greenland Time
- BRST - Brasilia Summer Time
- FNT - Fernando de Noronha Time
- O - Oscar Time Zone
- UYST - Uruguay Summer Time