GST to Casablanca
-3hGST
GSTSOURCECasablanca
UTC+01:00Green rows indicate typical business hours (9 AM - 5 PM)
GST and UTC+01:00 on the World Map
The map below highlights the GST (Gulf Standard Time) and UTC+01:00 (Western European Time) timezone regions across the globe.
GST – Gulf Standard Time
UTC+04:00Gulf Standard Time (GST) is used in the UAE, Oman, and other Gulf states, 4 hours ahead of UTC.
- •Dubai uses GST year-round with no daylight saving time.
- •GST is 9 hours ahead of EST and 4 hours ahead of GMT.
- •The Dubai Financial Market (DFM) operates on GST.
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.
Comparing Time Zones: GST and Casablanca
GST runs on Gulf Standard Time (GST) at UTC+04:00. Casablanca runs on Western European Time (UTC+01:00) at UTC+01:00. That puts GST 3 hours behind Casablanca — a difference of -3h at the current offsets.
In practice, when it is 9:00 AM in GST it is 6:00 AM in Casablanca. Midnight in GST is 9:00 PM in Casablanca. Neither zone observes daylight saving time, so the offset between them stays constant all year.
GST to Casablanca time conversion table
| GST (GST) | Casablanca (UTC+01:00) | Day |
|---|---|---|
| 12:00 AM | 9:00 PM | previous day |
| 6:00 AM | 3:00 AM | same day |
| 7:00 AM | 4:00 AM | same day |
| 8:00 AM | 5:00 AM | same day |
| 9:00 AM | 6:00 AM | same day |
| 12:00 PM | 9:00 AM | same day |
| 3:00 PM | 12:00 PM | same day |
| 5:00 PM | 2:00 PM | same day |
| 6:00 PM | 3:00 PM | same day |
| 9:00 PM | 6:00 PM | same day |
Why people convert GST to Casablanca time
- Scheduling a call from GST to Casablanca: a 10:00 AM start in GST lands at 7:00 AM in Casablanca, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both GST and Casablanca are inside the 9-to-5 working day between 12:00 PM and 5:00 PM GST time (9:00 AM–2:00 PM UTC+01:00). That is roughly 5 hours of usable overlap.
- Watching a live event or market open: GST viewers need 6:00 AM in Casablanca to catch a 9:00 AM start there, and 3:00 AM if the event is anchored to GST.
- Always state the zone abbreviation, not just the hour. "3:00 PM GST" is unambiguous; "3 PM" across a -3h gap is not.
- Block 12:00 PM–5:00 PM GST as the recurring meeting window if you work primarily from GST and need Casablanca colleagues present.
- Casablanca: Clocks fall back on Sun, Feb 7, 2027. Any meeting series spanning that date will shift by an hour in local time.
About GST (Gulf Standard Time)
Gulf Standard Time (GST) is the time zone used in the United Arab Emirates, Oman, and other Gulf states. GST does not observe daylight saving time. Dubai and Abu Dhabi, major international business and tourism hubs, operate on GST.
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).
Best time to call between GST and Casablanca
Both GST and Casablanca sit inside the 9 AM – 5 PM working day between 12:00 PM–5:00 PM GST, which is 9:00 AM–2:00 PM UTC+01:00. That gives roughly 5 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
GST and Casablanca share 5 hours of working-hours overlap (12:00 PM–5:00 PM GST), so scheduling a live meeting is straightforward.
GST is 3 hours behind Casablanca (GST UTC+04:00 → UTC+01:00 UTC+01:00). The shared working window is 12:00 PM–5:00 PM GST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
GST
Does not observe DST
Casablanca
❄ Currently in Standard Time
Standard: UTC+01:00 · DST: UTC+00:00
Clocks fall back on Sun, Feb 7, 2027
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 GST and Casablanca?
GST (GST, UTC+04:00) is 3 hours behind Casablanca (UTC+01:00, UTC+01:00). The gap is currently -3h.
How do I convert GST time to Casablanca time?
Add -3h to GST local time. For example, 9:00 AM in GST is 6:00 AM in Casablanca.
What time is it in Casablanca right now?
Casablanca uses UTC+01:00 at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -3h offset from GST.
What is the best time to call Casablanca from GST?
Call between 12:00 PM and 5:00 PM GST — that maps to 9:00 AM–2:00 PM UTC+01:00 and keeps both parties inside the working day.
Which is behind, GST or Casablanca?
GST is 3 hours behind Casablanca. When it is 12:00 PM in GST it is 9:00 AM in Casablanca.
Do GST and Casablanca use different time zones?
GST uses GST at UTC+04:00, while Casablanca (Morocco) uses UTC+01:00 at UTC+01:00. The IANA identifiers are Asia/Dubai and Africa/Casablanca.
Does daylight saving time affect the GST–Casablanca difference?
Neither zone observes daylight saving time, so the -3h offset between GST and Casablanca is fixed all year.
Which other cities share GST's time zone?
GST also covers Dubai, Abu Dhabi, Muscat, Baku, Tbilisi.
Which countries use GST, GST's zone?
GST is used in UAE, Oman, Georgia, Azerbaijan, Mauritius.
Is there a day difference between GST and Casablanca?
Not normally. The -3h gap only pushes the date over the previous day.
What is the time difference between GST and Casablanca?
Casablanca is -3h from GST.
What timezone is GST in?
GST operates on its local timezone.
What timezone is Casablanca in?
Casablanca operates on its local timezone.
Which countries use GST (Gulf Standard Time)?
GST is used in UAE, Oman, Georgia, Azerbaijan, Mauritius.
Does GST observe daylight saving time?
No, GST does not observe daylight saving time and remains at UTC+04:00 year-round.
What are some interesting facts about GST?
Dubai uses GST year-round with no daylight saving time. GST is 9 hours ahead of EST and 4 hours ahead of GMT.
Which cities are in the WET timezone?
Major cities in the WET timezone include Lisbon, Porto, Casablanca, Las Palmas, Funchal, Rabat.
What is the UTC offset for WET?
Western European Time (WET) is at UTC+00:00. During daylight saving time, it shifts to WEST.
What should I know about the WET timezone?
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).
When is it midnight in GST, what time is it in Casablanca?
When it is 12:00 AM (midnight) in GST (GST), it is -3h later in Casablanca (WET).
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