ICT to IST Time Converter

Convert Indochina Time (ICT) to India Standard Time (IST). Both time zones are shown live below; current offset between them is 1h 30m behind.

Bangkok · Indochina Time
15:36:36
Tuesday, May 12, 2026
GMT+7 · UTC+07:00
Mumbai · India Standard Time
14:06:36
Tuesday, May 12, 2026
GMT+5:30 · UTC+05:30

Convert a specific time

From: ICT (Bangkok)
To: IST (Mumbai)
--:--

Daylight Saving status right now

ICT (Indochina Time)
Observes DST
No
IST (India Standard Time)
Observes DST
No

When can ICT and IST meet?

00
01
02
03
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07
08
09
10
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ICT
IST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Bangkok (ICT). Each row shows the local working-hours state in that zone for the same moment in time.
6 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 11:00–16:00 ICT (09:30–14:30 IST).

Hour-by-hour ICT to IST conversion table

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

Indochina Time (ICT)
IANA identifier
Asia/Bangkok
Current UTC offset
UTC+07:00
Current abbreviation
GMT+7
Major cities in this zone
BangkokPhuket
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

Sun today in Bangkok and Mumbai

Bangkok
Sunrise
05:53
Sunset
18:37
Solar noon
12:15
Daylight
12h 43m
Mumbai
Sunrise
06:06
Sunset
19:05
Solar noon
12:36
Daylight
12h 59m

Related converters

IST to ICT (reverse)ICT to ESTICT to PSTICT to GMTICT to UTCICT to CETEST to ISTPST to ISTGMT to ISTUTC to ISTCET to IST
Looking for local time? See time in Bangkok or time in Mumbai.

Frequently asked questions

What is the time difference between ICT and IST right now?+
IST (India Standard Time) is currently 1h 30m behind ICT (Indochina Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does ICT or IST observe daylight saving time?+
ICT: does not observe daylight saving time. IST: does not observe daylight saving time.
When is the best time to schedule a meeting between ICT and IST?+
The strongest overlap is 11:00–16:00 ICT (09:30–14:30 IST), giving 6 hours when both sides are within standard 9am-5pm working hours.
What time is it in Mumbai when it is 12:00 noon in Bangkok?+
When it is 12:00 Tue in Bangkok (ICT), it is 10:30 Tue in Mumbai (IST).
Which IANA time zone identifiers are used for ICT and IST?+
ICT maps to "Asia/Bangkok" in the IANA database. IST maps to "Asia/Kolkata". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Bangkok ahead of or behind Mumbai?+
Whether Bangkok (ICT) is ahead of or behind Mumbai (IST) depends on the current UTC offsets. Right now IST is 1h 30m behind ICT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for ICT and IST?+
ICT is UTC+07:00 (GMT+7) and IST is UTC+05:30 (GMT+5:30). 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 ICT and IST?+
Yes. There are 6 hours of overlap during standard 9am-5pm working hours, with the strongest window at 11:00–16:00 ICT.