Colleyville to Istanbul Time Converter
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Quick answers
Selected conversion
7:00 am07:00 CDT (UTC-5), Oct 30, 2026 = 3:00 pm15:00 TRT (UTC+3), Oct 30, 2026
Colleyville is 8 hours behind Istanbul.
How the time difference changes
For most of the year, Colleyville is 8 hours behind Istanbul. From Nov 1, 2026 to Mar 14, 2027, Colleyville is 9 hours behind Istanbul.
For most of the year, working hours of 9:00 am to 6:00 pm in Colleyville correspond to 5:00 pm to 2:00 am (next day) in Istanbul. At other times of the year, working hours of 9:00 am to 6:00 pm in Colleyville correspond to 6:00 pm to 3:00 am (next day) in Istanbul.For most of the year, working hours of 09:00 to 18:00 in Colleyville correspond to 17:00 to 02:00 (next day) in Istanbul. At other times of the year, working hours of 09:00 to 18:00 in Colleyville correspond to 18:00 to 03:00 (next day) in Istanbul.
Compare Colleyville time with Istanbul time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
CDT (Central Daylight Time) is 8 hours behind TRT (Turkey Time).
7:00 am07:00 in Colleyville, TX, USA is 3:00 pm15:00 in Istanbul, Turkey
Colleyville to Istanbul call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in Colleyville which corresponds to 5pm-6pm17:00-18:00 in Istanbul
7:00 am07:00 CDT (Central Daylight Time) (Colleyville, TX, USA). Offset UTC -5:00 hours
3:00 pm15:00 TRT (Turkey Time) (Istanbul, Turkey). Offset UTC +3:00 hours
7:00 am07:00 Colleyville, TX, USA / 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.
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Colleyville Time Zone and Facts
Time Zone
CST – Central Standard Time, UTC-6 (standard time)