Honolulu zone
HST (GMT-10)
Cairo zone
GMT+3 (GMT+3)
Difference
13 hours ahead of Honolulu
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in Honolulu. Filled cells mark when 9 AM – 5 PM in Honolulu and Cairo both apply.
0 hours per day
- Honolulu
- GMT-10
- Cairo
- GMT+3
- Difference
- +13h
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in Cairo for an hour in Honolulu.
| Honolulu | Cairo | Day | Window |
|---|---|---|---|
| 12:00 AM | 1:00 PM | same day | — |
| 1:00 AM | 2:00 PM | same day | — |
| 2:00 AM | 3:00 PM | same day | — |
| 3:00 AM | 4:00 PM | same day | — |
| 4:00 AM | 5:00 PM | same day | — |
| 5:00 AM | 6:00 PM | same day | — |
| 6:00 AM | 7:00 PM | same day | — |
| 7:00 AM | 8:00 PM | same day | — |
| 8:00 AM | 9:00 PM | same day | — |
| 9:00 AM | 10:00 PM | same day | — |
| 10:00 AM | 11:00 PM | same day | — |
| 11:00 AM | 12:00 AM | next day | — |
| 12:00 PM | 1:00 AM | next day | — |
| 1:00 PM | 2:00 AM | next day | — |
| 2:00 PM | 3:00 AM | next day | — |
| 3:00 PM | 4:00 AM | next day | — |
| 4:00 PM | 5:00 AM | next day | — |
| 5:00 PM | 6:00 AM | next day | — |
| 6:00 PM | 7:00 AM | next day | — |
| 7:00 PM | 8:00 AM | next day | — |
| 8:00 PM | 9:00 AM | next day | — |
| 9:00 PM | 10:00 AM | next day | — |
| 10:00 PM | 11:00 AM | next day | — |
| 11:00 PM | 12:00 PM | next day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in Honolulu and Cairo do not overlap. Plan calls for early Honolulu morning or late Honolulu 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 Honolulu time to Cairo time
Honolulu follows the Pacific/Honolulu time zone (currently HST, GMT-10), while Cairo follows Africa/Cairo (currently GMT+3, GMT+3). Cairo is 13 hours ahead of Honolulu right now.
Cairo observes daylight saving time, while Honolulu does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
Honolulu
Does not observe daylight saving time.
Cairo
- Spring forward · Thursday, April 23, 2026
- Fall back · Thursday, October 29, 2026
Reverse this conversion
Cairo to Honolulu
Open the converter
Plan a meeting between Honolulu and Cairo
More conversions from Honolulu
Frequently asked questions
- How many hours is Honolulu from Cairo?
- Cairo is 13 hours ahead of Honolulu right now.
- What time is 9:00 AM Honolulu in Cairo?
- 9:00 AM in Honolulu is 10:00 PM in Cairo.
- What time is 5:00 PM Honolulu in Cairo?
- 5:00 PM in Honolulu is 6:00 AM (next day) in Cairo.
- When do Honolulu and Cairo business hours overlap?
- Standard 9 AM - 5 PM working hours in Honolulu and Cairo do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between Honolulu and Cairo?
- Cairo observes daylight saving time while Honolulu does not, so the offset between them changes by one hour twice a year.
Local time page
Time in Honolulu
Local time page
Time in Cairo