Istanbul to Round Rock Time Converter

Updating current time…
Istanbul
TurkeyTRT
UTC+3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Round Rock
Texas, USACST
UTC−6
9h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

3:00 pm15:00 TRT (UTC+3), Nov 4, 2026 = 6:00 am06:00 CST (UTC-6), Nov 4, 2026

Istanbul is 9 hours ahead of Round Rock.

How the time difference changes

For most of the year, Istanbul is 8 hours ahead of Round Rock. From Nov 1, 2026 to Mar 14, 2027, Istanbul is 9 hours ahead of Round Rock.

For most of the year, working hours of 9:00 am to 6:00 pm in Istanbul correspond to 1:00 am to 10:00 am in Round Rock. At other times 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 Round Rock.For most of the year, working hours of 09:00 to 18:00 in Istanbul correspond to 01:00 to 10:00 in Round Rock. At other times of the year, working hours of 09:00 to 18:00 in Istanbul correspond to 00:00 to 09:00 in Round Rock.

Compare Istanbul time with Round Rock 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 CST (Central Standard Time).
3:00 pm15:00 in Istanbul, Turkey is 6:00 am06:00 in Round Rock, TX, USA

Istanbul to Round Rock 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 Round Rock. 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 CST (Central Standard Time) (Round Rock, TX, USA). Offset UTC -6:00 hours

3:00 pm15:00 Istanbul, Turkey / 6:00 am06:00 Round Rock, TX, USA

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Hourly time comparison
Istanbul, TurkeyRound Rock, TX, 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

Round Rock Time Zone and Facts

Time Zone

Abbreviation / Offset
CST – Central Standard Time, UTC-6 (now)
CDT – Central Daylight Time, UTC-5 (daylight saving 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 (CDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
123456789101112Sunday, November 7, 2027 at 2:00 amSunday, November 7, 2027 at 02:00: clocks go back 1 hour to 1:00 am01:00 (CST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

Round Rock Facts

Country
USA
State
Texas
Alternative Names
Raund Rok, Raund Rokas, Raund-Rok, Round Rock, Roundrock, lang de luo ke, laundeu log, rand rak tgzas, raundorokku, rawnd rwks, Раунд Рок, Раунд-Рок, راؤنڈ راک، ٹیکساس, راند راک، تگزاس, راوند روكس, ラウンドロック, 朗德羅克, 라운드 록
Population
115,997
Currency
Dollar (USD)
Geographic Coordinates
30° 30' N Latitude / 97° 40' W Longitude
International Dialing Code
+1
More About Round Rock
Round Rock local time and city facts