Time zone · Africa
CST
Casablanca Summer Time
Casablanca Summer Time (CST) is Morocco's daylight saving period, when clocks spring forward to UTC+01:00—perfect for longer evening light along the Atlantic coast. It's the country's only active DST zone right now, so when you're scheduling with Morocco, you're syncing with Casablanca's rhythm.
Friday, June 5, 2026
Current offset
UTC+01:00
Daylight · +01
Daylight saving
Active
Reverts 7 Feb 2027
IANA zones
1
1 observe DST, 0 don't
DST offset
—
No summer variant
About CST
Standard time, with a summer shift.
Casablanca Summer Time (CST) is Morocco's daylight saving period, when clocks spring forward to UTC+01:00—perfect for longer evening light along the Atlantic coast. It's the country's only active DST zone right now, so when you're scheduling with Morocco, you're syncing with Casablanca's rhythm.
IANA zones · the technical identifiers
The zone that resolve to CST.
For software, always store the IANA identifier — never the abbreviation alone. The database keeps these zones distinct because their rules can, and historically did, diverge.
Cities currently on CST
The same hour, city by city.
9 cities · all UTC+01:00
Where CST is used
One country.
Same offset · UTC+01:00
Other zones at UTC+01:00 right now.
These named zones share CST's offset today. When daylight saving rules differ, they drift apart for part of the year.
Frequently asked questions
Common questions about CST, daylight saving, and how to handle it in software. Can't find what you need? Email [email protected].
- Why does Morocco observe Casablanca Summer Time?
- Morocco uses daylight saving time primarily to make better use of daylight hours during summer months and conserve energy, shifting to +01 during this period.
- How does Casablanca Summer Time affect daily life?
- Expect later sunsets and slightly adjusted business hours, giving residents and visitors more usable evening daylight for activities along the coast.
- Is Casablanca Summer Time the same year-round?
- No—it's only active during Morocco's daylight-saving months, so always check whether the country is currently observing it before syncing schedules.
- Are there plans to abolish daylight saving in Morocco?
- There have been periodic discussions, but for now, Morocco continues to adjust clocks forward during summer, aligning with many European partners.
- How does Cas compare to UTC during summer?
- Exactly one hour ahead—simple and predictable, as long as you remember it’s only in effect during the DST window.
- What happens when Casablanca Summer Time ends?
- Clocks fall back to standard time (UTC+00:00), marking a return to Morocco’s baseline offset until the next summer.
- Does the entire country follow this shift?
- Yes—Morocco observes it nationally, so all regions, including Casablanca, move their clocks together during this period.
- Is there a common mistake when converting to Casablanca Summer Time?
- Forgetting it only applies in summer—many assume +01 is permanent, so always double-check the current status before converting.
- Why is Casablanca used as the representative zone?
- As Morocco’s largest city and economic hub, it’s the most recognizable anchor for the country’s timekeeping and communications.
Free · Developer API
Time, as JSON.
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