Casablanca to HST
-11hCasablanca
UTC+01:00SOURCEHST
HSTGreen rows indicate typical business hours (9 AM - 5 PM)
UTC+01:00 and HST on the World Map
The map below highlights the UTC+01:00 (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).
Time Conversion Guide: Casablanca to HST
Casablanca runs on Western European Time (UTC+01:00) at UTC+01:00. HST runs on Hawaii Standard Time (HST) at UTC-10:00. That puts Casablanca 11 hours behind HST — a difference of -11h at the current offsets.
In practice, when it is 9:00 AM in Casablanca it is 10:00 PM in HST on the previous day. Midnight in Casablanca is 1:00 PM in HST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Casablanca to HST time conversion table
| Casablanca (UTC+01:00) | HST (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 Casablanca to HST time
- Scheduling a call from Casablanca to HST: a 10:00 AM start in Casablanca lands at 11:00 PM in HST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -11h gap: Casablanca and HST 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 HST is 10:00 PM in Casablanca.
- Watching a live event or market open: Casablanca viewers need 10:00 PM in HST to catch a 9:00 AM start there, and 11:00 AM if the event is anchored to Casablanca.
- Always state the zone abbreviation, not just the hour. "3:00 PM UTC+01:00" 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 Casablanca takes the early slot, the next week HST does.
- Casablanca: Clocks fall back on Sun, Feb 7, 2027. 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 Casablanca and HST
With a -11h offset there is no overlap inside a normal 9 AM – 5 PM day. HST opens at 9:00 AM HST, which is 10:00 PM in Casablanca, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Casablanca and HST have no shared working hours because of the -11h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Casablanca is 11 hours behind HST (UTC+01:00 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
Casablanca
❄ Currently in Standard Time
Standard: UTC+01:00 · DST: UTC+00:00
Clocks fall back on Sun, Feb 7, 2027
HST
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 Casablanca and HST?
Casablanca (UTC+01:00, UTC+01:00) is 11 hours behind HST (HST, UTC-10:00). The gap is currently -11h.
How do I convert Casablanca time to HST time?
Add -11h to Casablanca local time. For example, 9:00 AM in Casablanca is 10:00 PM in HST (previous day).
What time is it in HST right now?
HST 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 Casablanca.
What is the best time to call HST from Casablanca?
There is no shared working-hours window because of the -11h gap. The closest option is 1:00 PM in Casablanca, which is 2:00 AM in HST.
Which is behind, Casablanca or HST?
Casablanca is 11 hours behind HST. When it is 12:00 PM in Casablanca it is 1:00 AM in HST.
Do Casablanca and HST use different time zones?
Casablanca (Morocco) uses UTC+01:00 at UTC+01:00, while HST uses HST at UTC-10:00. The IANA identifiers are Africa/Casablanca and Pacific/Honolulu.
Does daylight saving time affect the Casablanca–HST difference?
Neither zone observes daylight saving time, so the -11h offset between Casablanca and HST is fixed all year.
Which other cities share Casablanca's time zone?
UTC+01:00 also covers Lisbon, Porto, Casablanca, Las Palmas, Funchal, Rabat.
Which countries use UTC+01:00, Casablanca's zone?
UTC+01:00 is used in Portugal, Spain (Canary Islands), Morocco, Western Sahara.
Is there a day difference between Casablanca and HST?
Not normally. The -11h gap only pushes the date over the previous day.
What is the time difference between Casablanca and HST?
HST is -11h from Casablanca.
What timezone is Casablanca in?
Casablanca operates on its local timezone.
What timezone is HST in?
HST operates on its local timezone.
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 Casablanca, what time is it in HST?
When it is 12:00 AM (midnight) in Casablanca (WET), it is -11h later in HST (HST).
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