Istanbul zone
GMT+3 (GMT+3)
Honolulu zone
HST (GMT-10)
Difference
13 hours behind Istanbul
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in Istanbul. Filled cells mark when 9 AM – 5 PM in Istanbul and Honolulu both apply.
0 hours per day
- Istanbul
- GMT+3
- Honolulu
- GMT-10
- Difference
- -13h
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in Honolulu for an hour in Istanbul.
| Istanbul | Honolulu | Day | Window |
|---|---|---|---|
| 12:00 AM | 11:00 AM | previous day | — |
| 1:00 AM | 12:00 PM | previous day | — |
| 2:00 AM | 1:00 PM | previous day | — |
| 3:00 AM | 2:00 PM | previous day | — |
| 4:00 AM | 3:00 PM | previous day | — |
| 5:00 AM | 4:00 PM | previous day | — |
| 6:00 AM | 5:00 PM | previous day | — |
| 7:00 AM | 6:00 PM | previous day | — |
| 8:00 AM | 7:00 PM | previous day | — |
| 9:00 AM | 8:00 PM | previous day | — |
| 10:00 AM | 9:00 PM | previous day | — |
| 11:00 AM | 10:00 PM | previous day | — |
| 12:00 PM | 11:00 PM | previous day | — |
| 1:00 PM | 12:00 AM | same day | — |
| 2:00 PM | 1:00 AM | same day | — |
| 3:00 PM | 2:00 AM | same day | — |
| 4:00 PM | 3:00 AM | same day | — |
| 5:00 PM | 4:00 AM | same day | — |
| 6:00 PM | 5:00 AM | same day | — |
| 7:00 PM | 6:00 AM | same day | — |
| 8:00 PM | 7:00 AM | same day | — |
| 9:00 PM | 8:00 AM | same day | — |
| 10:00 PM | 9:00 AM | same day | — |
| 11:00 PM | 10:00 AM | same day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in Istanbul and Honolulu do not overlap. Plan calls for early Istanbul morning or late Istanbul evening, and rotate the burden between sides.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting Istanbul time to Honolulu time
Istanbul follows the Europe/Istanbul time zone (currently GMT+3, GMT+3), while Honolulu follows Pacific/Honolulu (currently HST, GMT-10). Honolulu is 13 hours behind Istanbul right now.
Neither city observes daylight saving time, so the offset between them is the same all year.
Reverse this conversion
Honolulu to Istanbul
Open the converter
Plan a meeting between Istanbul and Honolulu
More conversions from Istanbul
Frequently asked questions
- How many hours is Istanbul from Honolulu?
- Honolulu is 13 hours behind Istanbul right now.
- What time is 9:00 AM Istanbul in Honolulu?
- 9:00 AM in Istanbul is 8:00 PM (previous day) in Honolulu.
- What time is 5:00 PM Istanbul in Honolulu?
- 5:00 PM in Istanbul is 4:00 AM in Honolulu.
- When do Istanbul and Honolulu business hours overlap?
- Standard 9 AM - 5 PM working hours in Istanbul and Honolulu do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between Istanbul and Honolulu?
- Neither Istanbul nor Honolulu observes daylight saving time, so the offset between them is constant year-round.
Local time page
Time in Istanbul
Local time page
Time in Honolulu