Dīzaj-e ‘Olyā to Istanbul Time Converter

Updating current time…
Dīzaj-e ‘Olyā
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), Oct 27, 2026 = 3:00 pm15:00 TRT (UTC+3), Oct 27, 2026

Dīzaj-e ‘Olyā is 30 minutes ahead of Istanbul.

How the time difference changes

Dīzaj-e ‘Olyā is 30 minutes ahead of Istanbul year-round.

Working hours of 9:00 am to 6:00 pm in Dīzaj-e ‘Olyā correspond to 8:30 am to 5:30 pm in Istanbul.Working hours of 09:00 to 18:00 in Dīzaj-e ‘Olyā correspond to 08:30 to 17:30 in Istanbul.

Compare Dīzaj-e ‘Olyā 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 Dīzaj-e ‘Olyā, Iran is 3:00 pm15:00 in Istanbul, Turkey

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

3:30 pm15:30 IRST (Iran Standard Time) (Dīzaj-e ‘Olyā, Iran). Offset UTC +3:30 hours
3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours

3:30 pm15:30 Dīzaj-e ‘Olyā, Iran / 3:00 pm15:00 Istanbul, Turkey

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Hourly time comparison
Dīzaj-e ‘Olyā, IranIstanbul, Turkey
11:30pm previous day
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23:30 previous day
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Dīzaj-e ‘Olyā Time Zone and Facts

Time Zone

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

Dīzaj-e ‘Olyā Facts

Country
Iran
Population
2,925
Currency
Rial (IRR)
Geographic Coordinates
38° 23' N Latitude / 45° 46' E Longitude
International Dialing Code
+98
More About Dīzaj-e ‘Olyā
Dīzaj-e ‘Olyā 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