IST to GAMT Time Converter

Convert India Standard Time (IST) to Gambier Time (GAMT). Both time zones are shown live below; current offset between them is 14h 30m behind.

Mumbai · India Standard Time
15:19:03
Sunday, May 17, 2026
GMT+5:30 · UTC+05:30
Rikitea · Gambier Time
00:49:03
Sunday, May 17, 2026
GMT-9 · UTC-09:00

Convert a specific time

From: IST (Mumbai)
To: GAMT (Rikitea)
--:--

Daylight Saving status right now

IST (India Standard Time)
Observes DST
No
GAMT (Gambier Time)
Observes DST
No

When can IST and GAMT meet?

00
01
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06
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08
09
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IST
GAMT
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 08:00–09:00 IST (17:30–18:30 GAMT).

Hour-by-hour IST to GAMT conversion table

IST time (Mumbai)GAMT time (Rikitea)Status
00:00 Sun09:30 SatGAMT working
01:00 Sun10:30 SatGAMT working
02:00 Sun11:30 SatGAMT working
03:00 Sun12:30 SatGAMT working
04:00 Sun13:30 SatGAMT working
05:00 Sun14:30 SatGAMT working
06:00 Sun15:30 SatGAMT working
07:00 Sun16:30 SatGAMT working
08:00 Sun17:30 SatOff-hours both sides
09:00 Sun18:30 SatIST working
10:00 Sun19:30 SatIST working
11:00 Sun20:30 SatIST working
12:00 Sun21:30 SatIST working
13:00 Sun22:30 SatIST working
14:00 Sun23:30 SatIST working
15:00 Sun00:30 SunIST working
16:00 Sun01:30 SunIST working
17:00 Sun02:30 SunOff-hours both sides
18:00 Sun03:30 SunOff-hours both sides
19:00 Sun04:30 SunOff-hours both sides
20:00 Sun05:30 SunOff-hours both sides
21:00 Sun06:30 SunOff-hours both sides
22:00 Sun07:30 SunOff-hours both sides
23:00 Sun08:30 SunOff-hours both sides

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
Gambier Time (GAMT)
IANA identifier
Pacific/Gambier
Current UTC offset
UTC-09:00
Current abbreviation
GMT-9
Major cities in this zone
Rikitea

Sun today in Mumbai and Rikitea

Mumbai
Sunrise
06:04
Sunset
19:07
Solar noon
12:36
Daylight
13h 3m

Related converters

GAMT to IST (reverse)IST to ESTIST to PSTIST to GMTIST to UTCIST to CETEST to GAMTPST to GAMTGMT to GAMTUTC to GAMTCET to GAMT
Looking for local time? See time in Mumbai or time in Rikitea.

Frequently asked questions

What is the time difference between IST and GAMT right now?+
GAMT (Gambier Time) is currently 14h 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 GAMT observe daylight saving time?+
IST: does not observe daylight saving time. GAMT: does not observe daylight saving time.
When is the best time to schedule a meeting between IST and GAMT?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 08:00–09:00 IST (17:30–18:30 GAMT).
What time is it in Rikitea when it is 12:00 noon in Mumbai?+
When it is 12:00 Sun in Mumbai (IST), it is 21:30 Sat in Rikitea (GAMT).
Which IANA time zone identifiers are used for IST and GAMT?+
IST maps to "Asia/Kolkata" in the IANA database. GAMT maps to "Pacific/Gambier". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Mumbai ahead of or behind Rikitea?+
Whether Mumbai (IST) is ahead of or behind Rikitea (GAMT) depends on the current UTC offsets. Right now GAMT is 14h 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 GAMT?+
IST is UTC+05:30 (GMT+5:30) and GAMT is UTC-09:00 (GMT-9). 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 GAMT?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between IST and GAMT is 08:00–09:00 IST.