Golestānak to Istanbul Time Converter

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

Quick answers

Selected conversion

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

Golestānak is 30 minutes ahead of Istanbul.

How the time difference changes

Golestānak is 30 minutes ahead of Istanbul year-round.

Working hours of 9:00 am to 6:00 pm in Golestānak correspond to 8:30 am to 5:30 pm in Istanbul.Working hours of 09:00 to 18:00 in Golestānak correspond to 08:30 to 17:30 in Istanbul.

Compare Golestānak time with Istanbul time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

IRST (Iran Standard Time) is 30 minutes ahead of TRT (Turkey Time).
3:30 pm15:30 in Golestānak, Iran is 3:00 pm15:00 in Istanbul, Turkey

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

3:30 pm15:30 IRST (Iran Standard Time) (Golestānak, Iran). Offset UTC +3:30 hours
3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours

3:30 pm15:30 Golestānak, Iran / 3:00 pm15:00 Istanbul, Turkey

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
Golestānak, IranIstanbul, Turkey
11:30pm previous day
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23:30 previous day
00:30
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Golestānak Time Zone and Facts

Time Zone

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

Golestānak Facts

Country
Iran
Population
1,827
Currency
Rial (IRR)
Geographic Coordinates
35° 46' N Latitude / 50° 54' E Longitude
International Dialing Code
+98
More About Golestānak
Golestānak local time and city facts

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
More About Istanbul
Istanbul local time and city facts
Current Time in Turkey
Turkey time now