Time difference between Hawaii and Portugal: 11 hours
Hawaii is 11 hours behind Portugal
Best time for a call or meeting
Hawaii 07:00–11:00 = Portugal 18:00–22:00 Hawaii 20:00–22:00 = Portugal 07:00–09:00
Business hours never overlap, so these are the hours when both cities are awake (7:00–22:00).
Convert a specific time
Hour-by-hour conversion
| Hawaii | Portugal |
|---|---|
| 00:00 | 11:00 |
| 01:00 | 12:00 |
| 02:00 | 13:00 |
| 03:00 | 14:00 |
| 04:00 | 15:00 |
| 05:00 | 16:00 |
| 06:00 | 17:00 |
| 07:00 | 18:00 |
| 08:00 | 19:00 |
| 09:00 | 20:00 |
| 10:00 | 21:00 |
| 11:00 | 22:00 |
| 12:00 | 23:00 |
| 13:00 | 00:00 |
| 14:00 | 01:00 |
| 15:00 | 02:00 |
| 16:00 | 03:00 |
| 17:00 | 04:00 |
| 18:00 | 05:00 |
| 19:00 | 06:00 |
| 20:00 | 07:00 |
| 21:00 | 08:00 |
| 22:00 | 09:00 |
| 23:00 | 10:00 |
Daylight saving time can change the difference by season. Shown values reflect the current offset.
Frequently asked questions
How many hours is the time difference between Hawaii and Portugal?
Hawaii is 11 hours behind Portugal. When it is 12:00 noon in Hawaii, it is 23:00 in Portugal.
Does daylight saving time affect the difference?
Yes. One or both places observe daylight saving time, so the difference changes with the season. This page shows the current difference.
What is the best time for a call or meeting?
Hawaii 07:00–11:00 = Portugal 18:00–22:00 / Hawaii 20:00–22:00 = Portugal 07:00–09:00. Business hours never overlap, so these are the hours when both cities are awake (7:00–22:00).