Casablanca to London
+0hCasablanca
UTC+01:00SOURCELondon
BSTGreen rows indicate typical business hours (9 AM - 5 PM)
UTC+01:00 and BST on the World Map
The map below highlights the UTC+01:00 (Western European Time) and BST (Greenwich Mean 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.
GMT – Greenwich Mean Time
UTC+00:00Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is the same as UTC+00:00.
- •GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London.
- •The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
- •GMT and UTC are often used interchangeably, but UTC is based on atomic clocks.
- •Iceland uses GMT year-round and never observes daylight saving time.
- •The UK switches from GMT to BST (British Summer Time) in late March each year.
About London
WikipediaLondon, where Greenwich Mean Time (GMT) originates, is the world's leading financial center alongside New York. The city bridges European and American business hours.
Big Ben is actually the name of the bell inside the Elizabeth Tower, not the tower itself.
Casablanca to London Time Difference – Complete Guide
Casablanca runs on Western European Time (UTC+01:00) at UTC+01:00. London runs on British Summer Time (BST) at UTC+01:00, also currently on daylight saving time. That puts Casablanca no time difference London — a difference of +0h at the current offsets.
In practice, when it is 9:00 AM in Casablanca it is 9:00 AM in London. Midnight in Casablanca is 12:00 AM in London.London observes daylight saving time while Casablanca does not, so the gap narrows or widens by an hour part of the year.
Casablanca to London time conversion table
| Casablanca (UTC+01:00) | London (BST) | Day |
|---|---|---|
| 12:00 AM | 12:00 AM | same day |
| 6:00 AM | 6:00 AM | same day |
| 7:00 AM | 7:00 AM | same day |
| 8:00 AM | 8:00 AM | same day |
| 9:00 AM | 9:00 AM | same day |
| 12:00 PM | 12:00 PM | same day |
| 3:00 PM | 3:00 PM | same day |
| 5:00 PM | 5:00 PM | same day |
| 6:00 PM | 6:00 PM | same day |
| 9:00 PM | 9:00 PM | same day |
Why people convert Casablanca to London time
- Scheduling a call from Casablanca to London: a 10:00 AM start in Casablanca lands at 10:00 AM in London, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Casablanca and London are inside the 9-to-5 working day between 9:00 AM and 5:00 PM UTC+01:00 time (9:00 AM–5:00 PM BST). That is roughly 8 hours of usable overlap.
- Watching a live event or market open: Casablanca viewers need 9:00 AM in London to catch a 9:00 AM start there, and 12:00 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 +0h gap is not.
- Block 9:00 AM–5:00 PM UTC+01:00 as the recurring meeting window if you work primarily from Casablanca and need London colleagues present.
- Casablanca: Clocks fall back on Sun, Feb 7, 2027. Re-check this page after that date because the offset changes and so does the +0h gap.
- London: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.
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 GMT (Greenwich Mean Time)
Greenwich Mean Time (GMT) is the clock time at the Royal Observatory in Greenwich, London, which sits on the Prime Meridian (0° longitude). GMT serves as the reference point from which all other time zones are calculated. The United Kingdom uses GMT during winter months and switches to British Summer Time (BST, UTC+01:00) from late March to late October. Several West African nations use GMT year-round. GMT is often used interchangeably with UTC (Coordinated Universal Time), although technically they are different – UTC is based on atomic clocks while GMT is based on Earth's rotation.
Best time to call between Casablanca and London
Both Casablanca and London sit inside the 9 AM – 5 PM working day between 9:00 AM–5:00 PM UTC+01:00, which is 9:00 AM–5:00 PM BST. That gives roughly 8 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Casablanca and London share 8 hours of working-hours overlap (9:00 AM–5:00 PM UTC+01:00), so scheduling a live meeting is straightforward.
Casablanca is no time difference London (UTC+01:00 UTC+01:00 → BST UTC+01:00). The shared working window is 9:00 AM–5:00 PM UTC+01:00. 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
London
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
⚠ These locations are currently in different DST states, so the time difference may change when clocks adjust.
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 London?
Casablanca (UTC+01:00, UTC+01:00) is no time difference London (BST, UTC+01:00). The gap is currently +0h.
How do I convert Casablanca time to London time?
Add +0h to Casablanca local time. For example, 9:00 AM in Casablanca is 9:00 AM in London.
What time is it in London right now?
London uses BST at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +0h offset from Casablanca.
What is the best time to call London from Casablanca?
Call between 9:00 AM and 5:00 PM UTC+01:00 — that maps to 9:00 AM–5:00 PM BST and keeps both parties inside the working day.
Which is ahead, Casablanca or London?
Casablanca and London are currently on the same clock.
Do Casablanca and London use different time zones?
Casablanca (Morocco) uses UTC+01:00 at UTC+01:00, while London (UK) uses BST at UTC+01:00. The IANA identifiers are Africa/Casablanca and Europe/London.
Does daylight saving time affect the Casablanca–London difference?
Yes at the moment: London is on daylight saving time and Casablanca is not, so the +0h gap shifts by an hour when exactly one of them changes clocks.
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.
What is the time difference between Casablanca and London?
London is +0h from Casablanca.
What timezone is Casablanca in?
Casablanca operates on its local timezone.
What timezone is London in?
London, where Greenwich Mean Time (GMT) originates, is the world's leading financial center alongside New York. The city bridges European and American business hours.
What are the business hours in London?
Standard business hours in London are 9:00 AM - 5:00 PM GMT.
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 GMT timezone?
Major cities in the GMT timezone include London, Dublin, Lisbon, Accra, Reykjavik, Edinburgh, Casablanca, Dakar.
What is the UTC offset for GMT?
Greenwich Mean Time (GMT) is at UTC+00:00. During daylight saving time, it shifts to BST.
What should I know about the GMT timezone?
GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London. The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
When is it midnight in Casablanca, what time is it in London?
When it is 12:00 AM (midnight) in Casablanca (WET), it is +0h later in London (GMT).
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