UTC−01:00
 | This article needs additional citations for verification. (December 2009) |
| UTC−01:00 | |
|---|---|
| Time zone | |
 World map with the time zone highlighted | |
| UTC offset | |
| UTC | UTC−01:00 |
| Current time | |
| 20:16, 6 August 2024 UTC−01:00 [refresh] | |
| Central meridian | |
| 15 degrees W | |
| Date-time group | |
| N | |
| Light Blue | Cape Verde Time[a] (UTC−1) |
| Blue | Greenwich Mean Time (UTC) |
| Red | (UTC+1) |
| Ochre | (UTC+2) |
| Green | East Africa Time (UTC+3) |
| Turquoise | (UTC+4) |
b Mauritius and the Seychelles are to the east and north-east of Madagascar respectively.
UTC−01:00 is an identifier for a time offset from UTC of −01:00. This time is used in:[1]
As standard time (Northern Hemisphere winter)
Arctic Ocean
- Denmark
- Greenland
- Ittoqqortoormiit, Neerlerit Inaat and surrounding areas
- Greenland
Atlantic Ocean
- Portugal
- Azores islands
As standard time (year-round)
Africa
Atlantic Ocean
- Cape Verde
Anomalies
Regions located UTC-02:00 longitudes using UTC-01:00 time
- The westernmost part of legal UTC-01:00 area in Ittoqqortoormiit Municipality (East Greenland)
- Azores islands (Portugal)
- Cape Verde
Areas located in UTC-01:00 longitudes using other time zones
Using UTC-03:00
- The easternmost tip of Greenland (exluding legal UTC-1 and UTC±0 areas)
Using UTC±00:00
In Africa:
- Liberia
- Sierra Leone
- Guinea
- Guinea-Bissau
- Senegal
- The Gambia
- Sahrawi Arab Democratic Republic (disputed territory)
- Most of Mauritania
- Southwesternmost part of Mali
- The very westernmost part of Ivory Coast
In Europe:
- Most of Iceland, except the westernmost part, including northwest peninsula and main town of Ísafjörður (lies in "physical" time UTC-2)
- Most of Portugal, with expection the easternmost part, including cities such as Bragança and Guarda (lies in "physical" UTC)
- Northeastern part of Greenland, including Danmarkshavn
- The western part of Ireland, including the cities of Cork, Limerick, and Galway
- Westernmost tip of Northern Ireland, including the county town of County Fermanagh, Enniskillen
- Westernmost island of the Faroe Islands (autonomous region of the Danish Kingdom), Mykines
- Extreme westerly portion of the Outer Hebrides, in the west of Scotland; for instance, Vatersay, an inhabited island and the westernmost settlement of Great Britain, lies at 7°54'W. If uninhabited islands or rocks are taken into account St Kilda, west of the Outer Hebrides, at 8°58'W, and Rockall, at 13°41'W, should be included.
- Canary Islands (Spain)
Using UTC+01:00
In Africa:
- Southwestern part of Morocco, including Casablanca
- Most part in Western Sahara (occupied by Morocco, excluding claimed by Sahrawi Arab Democratic Republic which use UTC+00:00)
In Europe: