IST to GST2 Time Converter

Convert India Standard Time (IST) to South Georgia Time (GST2). Both time zones are shown live below; current offset between them is 7h 30m behind.

Mumbai · India Standard Time
02:12:21
Tuesday, May 19, 2026
GMT+5:30 · UTC+05:30
Grytviken · South Georgia Time
18:42:21
Monday, May 18, 2026
GMT-2 · UTC-02:00

Convert a specific time

From: IST (Mumbai)
To: GST2 (Grytviken)
--:--

Daylight Saving status right now

IST (India Standard Time)
Observes DST
No
GST2 (South Georgia Time)
Observes DST
No

When can IST and GST2 meet?

00
01
02
03
04
05
06
07
08
09
10
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13
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IST
GST2
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Mumbai (IST). Each row shows the local working-hours state in that zone for the same moment in time.
No overlap during strict 9-5 working hours; some flexibility needed.
If both sides are willing to extend to 8am-7pm, the available window is 16:00–18:00 IST (08:30–10:30 GST2).

Hour-by-hour IST to GST2 conversion table

IST time (Mumbai)GST2 time (Grytviken)Status
00:00 Tue16:30 MonGST2 working
01:00 Tue17:30 MonOff-hours both sides
02:00 Tue18:30 MonOff-hours both sides
03:00 Tue19:30 MonOff-hours both sides
04:00 Tue20:30 MonOff-hours both sides
05:00 Tue21:30 MonOff-hours both sides
06:00 Tue22:30 MonOff-hours both sides
07:00 Tue23:30 MonOff-hours both sides
08:00 Tue00:30 TueOff-hours both sides
09:00 Tue01:30 TueIST working
10:00 Tue02:30 TueIST working
11:00 Tue03:30 TueIST working
12:00 Tue04:30 TueIST working
13:00 Tue05:30 TueIST working
14:00 Tue06:30 TueIST working
15:00 Tue07:30 TueIST working
16:00 Tue08:30 TueIST working
17:00 Tue09:30 TueGST2 working
18:00 Tue10:30 TueGST2 working
19:00 Tue11:30 TueGST2 working
20:00 Tue12:30 TueGST2 working
21:00 Tue13:30 TueGST2 working
22:00 Tue14:30 TueGST2 working
23:00 Tue15:30 TueGST2 working

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

India Standard Time (IST)
IANA identifier
Asia/Kolkata
Current UTC offset
UTC+05:30
Current abbreviation
GMT+5:30
Major cities in this zone
MumbaiNew DelhiBangaloreChennaiKolkata
South Georgia Time (GST2)
IANA identifier
Atlantic/South_Georgia
Current UTC offset
UTC-02:00
Current abbreviation
GMT-2
Major cities in this zone
Grytviken

Sun today in Mumbai and Grytviken

Mumbai
Sunrise
06:04
Sunset
19:08
Solar noon
12:36
Daylight
13h 4m

Related converters

GST2 to IST (reverse)IST to ESTIST to PSTIST to GMTIST to UTCIST to CETEST to GST2PST to GST2GMT to GST2UTC to GST2CET to GST2
Looking for local time? See time in Mumbai or time in Grytviken.

Frequently asked questions

What is the time difference between IST and GST2 right now?+
GST2 (South Georgia Time) is currently 7h 30m behind IST (India Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does IST or GST2 observe daylight saving time?+
IST: does not observe daylight saving time. GST2: does not observe daylight saving time.
When is the best time to schedule a meeting between IST and GST2?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 16:00–18:00 IST (08:30–10:30 GST2).
What time is it in Grytviken when it is 12:00 noon in Mumbai?+
When it is 12:00 Tue in Mumbai (IST), it is 04:30 Tue in Grytviken (GST2).
Which IANA time zone identifiers are used for IST and GST2?+
IST maps to "Asia/Kolkata" in the IANA database. GST2 maps to "Atlantic/South_Georgia". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Mumbai ahead of or behind Grytviken?+
Whether Mumbai (IST) is ahead of or behind Grytviken (GST2) depends on the current UTC offsets. Right now GST2 is 7h 30m behind IST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for IST and GST2?+
IST is UTC+05:30 (GMT+5:30) and GST2 is UTC-02:00 (GMT-2). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both IST and GST2?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between IST and GST2 is 16:00–18:00 IST.