IST to GFT Time Converter

Convert India Standard Time (IST) to French Guiana Time (GFT). Both time zones are shown live below; current offset between them is 8h 30m behind.

Mumbai · India Standard Time
21:03:35
Tuesday, May 12, 2026
GMT+5:30 · UTC+05:30
Cayenne · French Guiana Time
12:33:35
Tuesday, May 12, 2026
GMT-3 · UTC-03:00

Convert a specific time

From: IST (Mumbai)
To: GFT (Cayenne)
--:--

Daylight Saving status right now

IST (India Standard Time)
Observes DST
No
GFT (French Guiana Time)
Observes DST
No

When can IST and GFT meet?

00
01
02
03
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07
08
09
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IST
GFT
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 17:00–18:00 IST (08:30–09:30 GFT).

Hour-by-hour IST to GFT conversion table

IST time (Mumbai)GFT time (Cayenne)Status
00:00 Tue15:30 MonGFT working
01:00 Tue16:30 MonGFT working
02:00 Tue17:30 MonOff-hours both sides
03:00 Tue18:30 MonOff-hours both sides
04:00 Tue19:30 MonOff-hours both sides
05:00 Tue20:30 MonOff-hours both sides
06:00 Tue21:30 MonOff-hours both sides
07:00 Tue22:30 MonOff-hours both sides
08:00 Tue23:30 MonOff-hours both sides
09:00 Tue00:30 TueIST working
10:00 Tue01:30 TueIST working
11:00 Tue02:30 TueIST working
12:00 Tue03:30 TueIST working
13:00 Tue04:30 TueIST working
14:00 Tue05:30 TueIST working
15:00 Tue06:30 TueIST working
16:00 Tue07:30 TueIST working
17:00 Tue08:30 TueOff-hours both sides
18:00 Tue09:30 TueGFT working
19:00 Tue10:30 TueGFT working
20:00 Tue11:30 TueGFT working
21:00 Tue12:30 TueGFT working
22:00 Tue13:30 TueGFT working
23:00 Tue14:30 TueGFT 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
French Guiana Time (GFT)
IANA identifier
America/Cayenne
Current UTC offset
UTC-03:00
Current abbreviation
GMT-3
Major cities in this zone
Cayenne

Sun today in Mumbai and Cayenne

Mumbai
Sunrise
06:06
Sunset
19:05
Solar noon
12:36
Daylight
12h 59m

Related converters

GFT to IST (reverse)IST to ESTIST to PSTIST to GMTIST to UTCIST to CETEST to GFTPST to GFTGMT to GFTUTC to GFTCET to GFT
Looking for local time? See time in Mumbai or time in Cayenne.

Frequently asked questions

What is the time difference between IST and GFT right now?+
GFT (French Guiana Time) is currently 8h 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 GFT observe daylight saving time?+
IST: does not observe daylight saving time. GFT: does not observe daylight saving time.
When is the best time to schedule a meeting between IST and GFT?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 17:00–18:00 IST (08:30–09:30 GFT).
What time is it in Cayenne when it is 12:00 noon in Mumbai?+
When it is 12:00 Tue in Mumbai (IST), it is 03:30 Tue in Cayenne (GFT).
Which IANA time zone identifiers are used for IST and GFT?+
IST maps to "Asia/Kolkata" in the IANA database. GFT maps to "America/Cayenne". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Mumbai ahead of or behind Cayenne?+
Whether Mumbai (IST) is ahead of or behind Cayenne (GFT) depends on the current UTC offsets. Right now GFT is 8h 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 GFT?+
IST is UTC+05:30 (GMT+5:30) and GFT is UTC-03:00 (GMT-3). 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 GFT?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between IST and GFT is 17:00–18:00 IST.