Istanbul to Great Falls Time Converter

Updating current time…
Istanbul
TurkeyTRT
UTC+3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Great Falls
Montana, USAMDT
UTC−6
9h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Clocks in Great Falls go back 1 hour on Sun, Nov 1 · MDT → MST

Quick answers

Selected conversion

3:00 pm15:00 TRT (UTC+3), Oct 29, 2026 = 6:00 am06:00 MDT (UTC-6), Oct 29, 2026

Istanbul is 9 hours ahead of Great Falls.

How the time difference changes

For most of the year, Istanbul is 9 hours ahead of Great Falls. From Nov 1, 2026 to Mar 14, 2027, Istanbul is 10 hours ahead of Great Falls.

For most of the year, working hours of 9:00 am to 6:00 pm in Istanbul correspond to 12:00 am to 9:00 am in Great Falls. At other times of the year, working hours of 9:00 am to 6:00 pm in Istanbul correspond to 11:00 pm (previous day) to 8:00 am in Great Falls.For most of the year, working hours of 09:00 to 18:00 in Istanbul correspond to 00:00 to 09:00 in Great Falls. At other times of the year, working hours of 09:00 to 18:00 in Istanbul correspond to 23:00 (previous day) to 08:00 in Great Falls.

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

Time Difference

TRT (Turkey Time) is 9 hours ahead of MDT (Mountain Daylight Time).
3:00 pm15:00 in Istanbul, Turkey is 6:00 am06:00 in Great Falls, MT, USA

Istanbul to Great Falls call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm17:30-18:30 in Istanbul which corresponds to 8:30am-9:30am08:30-09:30 in Great Falls. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours
6:00 am06:00 MDT (Mountain Daylight Time) (Great Falls, MT, USA). Offset UTC -6:00 hours

3:00 pm15:00 Istanbul, Turkey / 6:00 am06:00 Great Falls, MT, USA

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Hourly time comparison
Istanbul, TurkeyGreat Falls, MT, USA
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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

Great Falls Time Zone and Facts

Time Zone

Abbreviation / Offset
MDT – Mountain Daylight Time, UTC-6 (now, daylight saving time)
MST – Mountain Standard Time, UTC-7 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (MST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (MDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

Great Falls Facts

Country
USA
State
Montana
Alternative Names
Electric City, GTF, Great Falls, Grejt Fols, Grejt-Fols, Grit Fouls, da pu bu cheng, ghryt fwlz mwntana, guretoforuzu, Грейт Фолс, Грейт-Фолс, Грејт Фолс, Грит Фоулс, غريت فولز، مونتانا, グレートフォールズ, 大瀑布城
Population
59,638
Currency
Dollar (USD)
Geographic Coordinates
47° 30' N Latitude / 111° 18' W Longitude
International Dialing Code
+1
More About Great Falls
Great Falls local time and city facts