Istanbul to Dubuque time converter
Dubuque is 8 hours behind Istanbul. When it is 9:00 AM in Istanbul, it is 1:00 AM in Dubuque.
5:04 PM in Istanbul, Monday, October 19, 2026
Istanbul to Dubuque conversion table
Every hour of today in Istanbul and the matching time in Dubuque. Light rows are typical working hours (9:00–18:00).
| Istanbul | Dubuque |
|---|---|
| 12:00 AM | 4:00 PM−1 day |
| 1:00 AM | 5:00 PM−1 day |
| 2:00 AM | 6:00 PM−1 day |
| 3:00 AM | 7:00 PM−1 day |
| 4:00 AM | 8:00 PM−1 day |
| 5:00 AM | 9:00 PM−1 day |
| 6:00 AM | 10:00 PM−1 day |
| 7:00 AM | 11:00 PM−1 day |
| 8:00 AM | 12:00 AM |
| 9:00 AM | 1:00 AM |
| 10:00 AM | 2:00 AM |
| 11:00 AM | 3:00 AM |
| 12:00 PM | 4:00 AM |
| 1:00 PM | 5:00 AM |
| 2:00 PM | 6:00 AM |
| 3:00 PM | 7:00 AM |
| 4:00 PM | 8:00 AM |
| 5:00 PM | 9:00 AM |
| 6:00 PM | 10:00 AM |
| 7:00 PM | 11:00 AM |
| 8:00 PM | 12:00 PM |
| 9:00 PM | 1:00 PM |
| 10:00 PM | 2:00 PM |
| 11:00 PM | 3:00 PM |
Best time to call or meet
Both sides are at work from 5:00 PM – 6:00 PM in Istanbul (9:00 AM – 10:00 AM in Dubuque).
Daylight saving time and the difference
The difference changes during the year because Istanbul and Dubuque switch clocks on different dates:
- Oct 19, 2026 – Nov 1, 2026: -8h
- Nov 1, 2026 – Mar 14, 2027: -9h
- Mar 14, 2027 – Oct 19, 2027: -8h
Distance
Istanbul and Dubuque are 8,929 km (5,548 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Istanbul and Dubuque?
Dubuque is 8 hours behind Istanbul.
What time is it in Dubuque when it is 9 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 1:00 AM in Dubuque.
When is the best time to call Dubuque from Istanbul?
Both sides are at work from 5:00 PM – 6:00 PM in Istanbul (9:00 AM – 10:00 AM in Dubuque).
Does the time difference between Istanbul and Dubuque change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.