Updating current time…
TurkeyTRT
UTC+3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IranIRST
UTC+3:30
30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

3:00 pm15:00 TRT (UTC+3), Nov 3, 2026 = 3:30 pm15:30 IRST (UTC+3:30), Nov 3, 2026

Istanbul is 30 minutes behind Īstgāh-e Rāh Āhan-e Garmsār.

How the time difference changes

Istanbul is 30 minutes behind Istgah-e Rah Ahan-e Garmsar year-round.

Working hours of 9:00 am to 6:00 pm in Istanbul correspond to 9:30 am to 6:30 pm in Istgah-e Rah Ahan-e Garmsar.Working hours of 09:00 to 18:00 in Istanbul correspond to 09:30 to 18:30 in Istgah-e Rah Ahan-e Garmsar.

Compare Istanbul time with Istgah-e Rah Ahan-e Garmsar time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

TRT (Turkey Time) is 30 minutes behind IRST (Iran Standard Time).
3:00 pm15:00 in Istanbul, Turkey is 3:30 pm15:30 in Istgah-e Rah Ahan-e Garmsar, Iran

Istanbul to Īstgāh-e Rāh Āhan-e Garmsār call time
Best time for a conference call or a meeting is between 9am-5:30pm09:00-17:30 in Istanbul which corresponds to 9:30am-6pm09:30-18:00 in Īstgāh-e Rāh Āhan-e Garmsār

3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours
3:30 pm15:30 IRST (Iran Standard Time) (Istgah-e Rah Ahan-e Garmsar, Iran). Offset UTC +3:30 hours

3:00 pm15:00 Istanbul, Turkey / 3:30 pm15:30 Istgah-e Rah Ahan-e Garmsar, Iran

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
Istanbul, TurkeyIstgah-e Rah Ahan-e Garmsar, Iran
12:30am
1:30am
2:30am
3:30am
4:30am
5:30am
6:30am
7:30am
8:30am
9:30am
10:30am
11:30am
12:30pm
1:30pm
2:30pm
3:30pm
4:30pm
5:30pm
6:30pm
7:30pm
8:30pm
9:30pm
10:30pm
11:30pm
00:30
01:30
02:30
03:30
04:30
05:30
06:30
07:30
08:30
09:30
10:30
11:30
12:30
13:30
14:30
15:30
16:30
17:30
18:30
19:30
20:30
21:30
22:30
23:30

Istanbul Time Zone and Facts

Time Zone

Abbreviation / Offset
TRT – Turkey Time, UTC+3 (no daylight saving time)

Istanbul Facts

Country
Turkey
Alternative Names
Bizanc, Bizánc, Byzance, Byzantion, Byzantium, Byzanz, Constantinoble, Constantinopla, Constantinople, Constantinopolen, Constantinopoli, Constantinopolis, Costantinopoli, Estambul, IST, Istamboul, Istambul, Istambuł, Istampoul, Istanbul, Istanbúl, Isztambul, Konstantinapoly, Konstantinopel, Konstantinopolo, Konstantinoupoli, Konstantinoupolis, Konstantinápoly, Kustantiniyah, Micklagard, Micklagård, Mikligardur, Mikligarður, Stamboul, Stambul, Stambula, Stambuł, Tsarigrad, Vizantija (Vizantija), Vyzantio, astnbwl, bijantium, byuzantion, byzntywn, iseutanbul, istambula, isutanburu, stin Poli [stimˈboli], yi si tan bu er, İstanbul, Βυζάντιο, Βυζαντιο, Ισταμπουλ, Ισταμπούλ, Κωνσταντινουπολη, Κωνσταντινούπολη, Κωνσταντινούπολις, στην Πόλι [stimˈboli], Византија (Vizantija), Истанбул, Стамбул, ביזנטיון, اسطنبول, इस्तांबुल, ইস্তাম্বুল, イスタンブール, ビュザンティオン, 伊斯坦布尔, 비잔티움, 이스탄불
Population
15,701,602
Currency
Lira (TRY)
Geographic Coordinates
41° 00' N Latitude / 28° 56' E Longitude
International Dialing Code
+90
Current Time in Turkey

Īstgāh-e Rāh Āhan-e Garmsār Time Zone and Facts

Time Zone

Abbreviation / Offset
IRST – Iran Standard Time, UTC+3:30 (no daylight saving time)

Īstgāh-e Rāh Āhan-e Garmsār Facts

Country
Iran
Alternative Names
Istgah-e Garmsar, Istgah-e Rah Ahan Garmsar, Istgah-e Rah Ahan-e Garmsar, aystgah grmsar, aystgah rahahn garmsar, ystgahi garmsar, ystgahi rah ahan garmsar, ystgahi rahahani garmsar, Īstgāh-e Garmsār, Īstgāh-e Rāh Āhan Garmsār, Īstgāh-e Rāh Āhan-e Garmsār, ايستگاه راهاهن گَرمسار, ايستگاه گرمسار, يستگاهِ راه آهَن گَرمسار, يستگاهِ راهاهَنِ گَرمسار, يستگاهِ گَرمسار
Population
49,491
Currency
Rial (IRR)
Geographic Coordinates
35° 14' N Latitude / 52° 18' E Longitude
International Dialing Code
+98
More About Īstgāh-e Rāh Āhan-e Garmsār