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You are here: > Home > Essential Information > Time & Water

The Canary islands operate on the 24-hour clock which can be quite confusing for those who are accustomed to 'am' & 'pm'. The image opposite shows the two systems.

Tenerife and its neighbouring islands maintain Greenwich Mean Time (GMT/UTC) during the winter, which is identical with the UK but one hour behind most European countries and mainland Spain.
In March the clocks are put forward one hour for daylight saving time. Clocks are put back one hour on the last Sunday in October.


Tap water is safe to drink but not recommended for its taste. The locals almost all invariably drink bottled water. Water from public spouts and fountains should not be drunk unless there is a sign saying 'Aqua Potable'. You will often see signs saying 'Aqua Non Potable', 'Water Not Drinkable'.
Tenerife uses the 24 hour clock
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