UTC−01:00

UTC−01:00
Time zone
World map with the time zone highlighted
UTC offset
UTC	UTC−01:00
Current time
11:43, 28 April 2025 UTC−01:00 [refresh]
Central meridian
15 degrees W
Date-time group
N

UTC−01:00: blue (December), orange (June), yellow (year-round), light blue (sea areas)

Time zones of Africa:

Light Blue	Cape Verde Time[a] (UTC−1)
Blue	Greenwich Mean Time (UTC)
Red	Central European Time West Africa Time (UTC+1)
Ochre	Central Africa Time Eastern European Time Egypt Standard Time South African Standard Time (UTC+2)
Green	East Africa Time (UTC+3)
Turquoise	Mauritius Time[b] Seychelles Time[b] (UTC+4)

^a The islands of Cape Verde and Canary Islands are to the west of the African mainland.
^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.

As standard time (Northern Hemisphere winter)

Atlantic Ocean

• Portugal
  • Azores islands

As daylight saving time (Northern Hemisphere summer)

North America

• Greenland (summer)
  • Except areas around Danmarkshavn, and Pituffik (Thule)

As standard time (year-round)

Africa

Atlantic Ocean

• Cape Verde

Anomalies

Regions in 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 in UTC−01:00 longitudes using other time zones

Using UTC−02:00

• The easternmost tip of Greenland (excluding 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 Atlantic Ocean:

• Madeira (Portugal)
• Canary Islands (Spain)

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 west of 7.5ºW, except the easternmost part, including cities such as Bragança and Guarda (lies in "physical" UTC)
• The northeastern part of Greenland, including Danmarkshavn
• Ireland west of 7.5ºW, including the cities of Cork, Limerick, and Galway
• The westernmost tip of Northern Ireland, including the county town of County Fermanagh, Enniskillen
• The westernmost island of the Faroe Islands (autonomous region of the Danish Kingdom), Mykines
• The 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.

Using UTC+01:00

In Africa:

• Southwestern part of Morocco, including Casablanca
• Most part in Moroccan Sahara (excluding parts occupied by Sahrawi Arab Democratic Republic which use UTC+00:00)

In Europe:

• Parts of Galicia, Extremadura and Andalucia, Spain
• Jan Mayen, Norway

External links

• Media related to UTC−01:00 at Wikimedia Commons