TimeToZone

IST to Istanbul Time Converter

TRT is 2 hours 30 minutes behind IST. 9:00 AM IST = 6:30 AM TRT.

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ISTfrom
India Standard Time
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Istanbul
Istanbul, Turkey
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TRT is 2 hours 30 minutes behind IST. To convert IST to Istanbul Time, subtract 2 hours 30 minutes from the IST time: 9:00 AM IST = 6:30 AM TRT.

IST (India Time) is used in India and Sri Lanka (UTC+5:30, no daylight saving time). Istanbul Time (Istanbul time) is used in Istanbul, Turkey.

IST here means India Standard Time, not Irish or Israel Standard Time.

IST to Istanbul Time time conversion table

IST to Istanbul Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

ISTIstanbul TimeDay
12:00 AM IST9:30 PM TRTprevious day
1:00 AM IST10:30 PM TRTprevious day
2:00 AM IST11:30 PM TRTprevious day
3:00 AM IST12:30 AM TRTnight
4:00 AM IST1:30 AM TRTnight
5:00 AM IST2:30 AM TRTnight
6:00 AM IST3:30 AM TRTnight
7:00 AM IST4:30 AM TRTnight
8:00 AM IST5:30 AM TRTnight
9:00 AM IST6:30 AM TRT—
10:00 AM IST7:30 AM TRT—
11:00 AM IST8:30 AM TRT—
12:00 PM IST9:30 AM TRTwork hours
1:00 PM IST10:30 AM TRTwork hours
2:00 PM IST11:30 AM TRTwork hours
3:00 PM IST12:30 PM TRTwork hours
4:00 PM IST1:30 PM TRTwork hours
5:00 PM IST2:30 PM TRT—
6:00 PM IST3:30 PM TRT—
7:00 PM IST4:30 PM TRT—
8:00 PM IST5:30 PM TRT—
9:00 PM IST6:30 PM TRT—
10:00 PM IST7:30 PM TRT—
11:00 PM IST8:30 PM TRT—
  • Work rows — 9 AM–5 PM in both places
  • Night in the destination (10 PM–6 AM)

How to convert IST to Istanbul Time

Subtract 2 hours 30 minutes from the IST time to get Istanbul Time.

Example: 9:00 AM IST = 6:30 AM TRT.

Across midnight: 1:00 AM IST = 10:30 PM TRT (previous day). The date changes, so always check the day as well as the hour.

Time difference between IST and Istanbul Time

The time difference between IST and Istanbul Time is 2 hours 30 minutes all year – TRT is behind IST.

IST and Istanbul Time during daylight saving time

  • IST does not observe daylight saving time; it stays on UTC+5:30 all year.
  • Istanbul Time does not observe daylight saving time; it stays on UTC+3 all year.

Best time for a meeting between IST and Istanbul Time

IST and Istanbul Time share 5 hours 30 minutes of the 9 AM–5 PM working day. Any time between 11:30 AM and 5:00 PM IST lands between 9:00 AM and 2:30 PM TRT, inside working hours for both.

Plan a meeting across more time zones.

IST to Istanbul Time FAQ

What is the time difference between IST and Istanbul Time?

TRT is 2 hours 30 minutes behind IST all year. 9:00 AM IST = 6:30 AM TRT.

What is 9 AM IST in Istanbul Time?

9:00 AM IST is 6:30 AM TRT.

What is 12 PM (noon) IST in Istanbul Time?

12:00 PM IST is 9:30 AM TRT.

Is Istanbul Time ahead of or behind IST?

TRT is 2 hours 30 minutes behind IST, so it is earlier in Istanbul Time than in IST.

Does IST change for daylight saving time?

No. IST stays on the same offset all year, so conversions never shift for daylight saving time.

Does Istanbul Time change for daylight saving time?

No. Istanbul Time stays on the same offset all year, so conversions never shift for daylight saving time.

What is the best time for a meeting between IST and Istanbul Time?

IST and Istanbul Time share 5 hours 30 minutes of the 9 AM–5 PM working day. Any time between 11:30 AM and 5:00 PM IST lands between 9:00 AM and 2:30 PM TRT, inside working hours for both.

Related conversions

Convert Istanbul Time to IST

Convert IST to other time zones

Convert other time zones to Istanbul Time

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.