IST to TRT Time Converter

Convert India Standard Time (IST) to Turkey Time (TRT). Both time zones are shown live below; current offset between them is 2h 30m behind.

Mumbai · India Standard Time
10:36:16
Wednesday, May 13, 2026
GMT+5:30 · UTC+05:30
Istanbul · Turkey Time
08:06:16
Wednesday, May 13, 2026
GMT+3 · UTC+03:00

Convert a specific time

From: IST (Mumbai)
To: TRT (Istanbul)
--:--

Daylight Saving status right now

IST (India Standard Time)
Observes DST
No
TRT (Turkey Time)
Observes DST
No

When can IST and TRT meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
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23
IST
TRT
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.
5 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 12:00–16:00 IST (09:30–13:30 TRT).

Hour-by-hour IST to TRT conversion table

IST time (Mumbai)TRT time (Istanbul)Status
00:00 Wed21:30 TueOff-hours both sides
01:00 Wed22:30 TueOff-hours both sides
02:00 Wed23:30 TueOff-hours both sides
03:00 Wed00:30 WedOff-hours both sides
04:00 Wed01:30 WedOff-hours both sides
05:00 Wed02:30 WedOff-hours both sides
06:00 Wed03:30 WedOff-hours both sides
07:00 Wed04:30 WedOff-hours both sides
08:00 Wed05:30 WedOff-hours both sides
09:00 Wed06:30 WedIST working
10:00 Wed07:30 WedIST working
11:00 Wed08:30 WedIST working
12:00 Wed09:30 WedBoth at work
13:00 Wed10:30 WedBoth at work
14:00 Wed11:30 WedBoth at work
15:00 Wed12:30 WedBoth at work
16:00 Wed13:30 WedBoth at work
17:00 Wed14:30 WedTRT working
18:00 Wed15:30 WedTRT working
19:00 Wed16:30 WedTRT working
20:00 Wed17:30 WedOff-hours both sides
21:00 Wed18:30 WedOff-hours both sides
22:00 Wed19:30 WedOff-hours both sides
23:00 Wed20:30 WedOff-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
Turkey Time (TRT)
IANA identifier
Europe/Istanbul
Current UTC offset
UTC+03:00
Current abbreviation
GMT+3
Major cities in this zone
IstanbulAnkara

Sun today in Mumbai and Istanbul

Mumbai
Sunrise
06:06
Sunset
19:06
Solar noon
12:36
Daylight
13h 0m
Istanbul
Sunrise
05:49
Sunset
20:13
Solar noon
13:01
Daylight
14h 23m

Related converters

TRT to IST (reverse)IST to ESTIST to PSTIST to GMTIST to UTCIST to CETEST to TRTPST to TRTGMT to TRTUTC to TRTCET to TRT
Looking for local time? See time in Mumbai or time in Istanbul.

Frequently asked questions

What is the time difference between IST and TRT right now?+
TRT (Turkey Time) is currently 2h 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 TRT observe daylight saving time?+
IST: does not observe daylight saving time. TRT: does not observe daylight saving time.
When is the best time to schedule a meeting between IST and TRT?+
The strongest overlap is 12:00–16:00 IST (09:30–13:30 TRT), giving 5 hours when both sides are within standard 9am-5pm working hours.
What time is it in Istanbul when it is 12:00 noon in Mumbai?+
When it is 12:00 Wed in Mumbai (IST), it is 09:30 Wed in Istanbul (TRT).
Which IANA time zone identifiers are used for IST and TRT?+
IST maps to "Asia/Kolkata" in the IANA database. TRT maps to "Europe/Istanbul". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Mumbai ahead of or behind Istanbul?+
Whether Mumbai (IST) is ahead of or behind Istanbul (TRT) depends on the current UTC offsets. Right now TRT is 2h 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 TRT?+
IST is UTC+05:30 (GMT+5:30) and TRT 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 TRT?+
Yes. There are 5 hours of overlap during standard 9am-5pm working hours, with the strongest window at 12:00–16:00 IST.