Portugal to Honolulu
-11hPortugal
WESTSOURCEHonolulu
HSTGreen rows indicate typical business hours (9 AM - 5 PM)
WEST and HST on the World Map
The map below highlights the WEST (Western European Time) and HST (Hawaii Standard Time) timezone regions across the globe.
WET – Western European Time
UTC+00:00Western European Time (WET) is the time zone for Portugal, Morocco, and the Canary Islands, same as UTC+00:00.
- •Portugal is the only mainland European country in the WET time zone.
- •The Canary Islands are on WET despite being part of Spain (which uses CET).
- •WET is identical to GMT and UTC+00:00.
HST – Hawaii Standard Time
UTC-10:00Hawaii Standard Time (HST) is the time zone for the Hawaiian Islands, 10 hours behind UTC.
- •Hawaii does not observe daylight saving time.
- •HST is 5 hours behind EST in winter and 6 hours behind EDT in summer.
- •Hawaii is one of only two US states that don't observe DST (the other is Arizona).
About Honolulu
WikipediaHonolulu operates on Hawaii Standard Time (HST), UTC-10 with no daylight saving. Hawaii's consistent time makes it a predictable connection between Asia and mainland USA.
Pearl Harbor memorial receives over 2 million visitors annually.
Understanding the -11h Gap: Portugal vs Honolulu
Portugal runs on Western European Summer Time (WEST) at UTC+01:00, currently observing daylight saving time. Honolulu runs on Hawaii-Aleutian Standard Time (HST) at UTC-10:00. That puts Portugal 11 hours behind Honolulu — a difference of -11h at the current offsets.
In practice, when it is 9:00 AM in Portugal it is 10:00 PM in Honolulu on the previous day. Midnight in Portugal is 1:00 PM in Honolulu.Portugal observes daylight saving time while Honolulu does not, so the gap narrows or widens by an hour part of the year.
Portugal to Honolulu time conversion table
| Portugal (WEST) | Honolulu (HST) | Day |
|---|---|---|
| 12:00 AM | 1:00 PM | previous day |
| 6:00 AM | 7:00 PM | previous day |
| 7:00 AM | 8:00 PM | previous day |
| 8:00 AM | 9:00 PM | previous day |
| 9:00 AM | 10:00 PM | previous day |
| 12:00 PM | 1:00 AM | same day |
| 3:00 PM | 4:00 AM | same day |
| 5:00 PM | 6:00 AM | same day |
| 6:00 PM | 7:00 AM | same day |
| 9:00 PM | 10:00 AM | same day |
Why people convert Portugal to Honolulu time
- Scheduling a call from Portugal to Honolulu: a 10:00 AM start in Portugal lands at 11:00 PM in Honolulu the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -11h gap: Portugal and Honolulu have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Honolulu is 10:00 PM in Portugal.
- Coordinating a Portugal-based team with Honolulu contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM WEST" is unambiguous; "3 PM" across a -11h gap is not.
- With a -11h gap there is no shared 9-to-5 window, so alternate the early start: one week Portugal takes the early slot, the next week Honolulu does.
- Portugal: Clocks fall back on Sun, Oct 25, 2026. Re-check this page after that date because the offset changes and so does the -11h gap.
About WET (Western European Time)
Western European Time (WET) is used in Portugal, the Canary Islands (Spain), Morocco, and several other locations. It is equivalent to GMT/UTC. During summer, Portugal and the Canary Islands switch to WEST (Western European Summer Time, UTC+01:00).
About HST (Hawaii Standard Time)
Hawaii Standard Time (HST) is used in the state of Hawaii and does not observe daylight saving time. This makes HST one of the most consistent time zones in the US. The Hawaiian Islands are among the last places on Earth to see a new calendar day.
Best time to call between Portugal and Honolulu
With a -11h offset there is no overlap inside a normal 9 AM – 5 PM day. Honolulu opens at 9:00 AM HST, which is 10:00 PM in Portugal, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Portugal and Honolulu have no shared working hours because of the -11h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Portugal is 11 hours behind Honolulu (WEST UTC+01:00 → HST UTC-10:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Portugal
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
Honolulu
Does not observe DST
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Portugal and Honolulu?
Portugal (WEST, UTC+01:00) is 11 hours behind Honolulu (HST, UTC-10:00). The gap is currently -11h.
How do I convert Portugal time to Honolulu time?
Add -11h to Portugal local time. For example, 9:00 AM in Portugal is 10:00 PM in Honolulu (previous day).
What time is it in Honolulu right now?
Honolulu uses HST at UTC-10:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -11h offset from Portugal.
What is the best time to call Honolulu from Portugal?
There is no shared working-hours window because of the -11h gap. The closest option is 1:00 PM in Portugal, which is 2:00 AM in Honolulu.
Which is behind, Portugal or Honolulu?
Portugal is 11 hours behind Honolulu. When it is 12:00 PM in Portugal it is 1:00 AM in Honolulu.
Do Portugal and Honolulu use different time zones?
Portugal (Portugal) uses WEST at UTC+01:00, while Honolulu (USA) uses HST at UTC-10:00. The IANA identifiers are Europe/Lisbon and Pacific/Honolulu.
Does daylight saving time affect the Portugal–Honolulu difference?
Yes at the moment: Portugal is on daylight saving time and Honolulu is not, so the -11h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Portugal's time zone?
WEST also covers Lisbon, Porto, Casablanca, Las Palmas, Funchal, Rabat.
Which countries use WEST, Portugal's zone?
WEST is used in Portugal, Spain (Canary Islands), Morocco, Western Sahara.
Is there a day difference between Portugal and Honolulu?
Not normally. The -11h gap only pushes the date over the previous day.
What is the time difference between Portugal and Honolulu?
Honolulu is -11h from Portugal.
What timezone is Portugal in?
Portugal operates on its local timezone.
What timezone is Honolulu in?
Honolulu operates on Hawaii Standard Time (HST), UTC-10 with no daylight saving. Hawaii's consistent time makes it a predictable connection between Asia and mainland USA.
What are the business hours in Honolulu?
Standard business hours in Honolulu are 8:00 AM - 5:00 PM HST.
Which countries use WET (Western European Time)?
WET is used in Portugal, Spain (Canary Islands), Morocco, Western Sahara.
Does WET observe daylight saving time?
Yes, WET switches to WEST during summer months.
What are some interesting facts about WET?
Portugal is the only mainland European country in the WET time zone. The Canary Islands are on WET despite being part of Spain (which uses CET).
Which cities are in the HST timezone?
Major cities in the HST timezone include Honolulu, Hilo, Kailua, Pearl City, Kapolei.
What is the UTC offset for HST?
Hawaii Standard Time (HST) is at UTC-10:00.
What should I know about the HST timezone?
Hawaii does not observe daylight saving time. HST is 5 hours behind EST in winter and 6 hours behind EDT in summer.
When is it midnight in Portugal, what time is it in Honolulu?
When it is 12:00 AM (midnight) in Portugal (WET), it is -11h later in Honolulu (HST).
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