UTC 04:00 is an identifier for a time offset from UTC of 04:00. In ISO 8601, the associated time would be written as 2019-02-07T23:28:34 04:00. This time is used in:
As standard time (year-round)
Principal cities: Abu Dhabi, Dubai, Baku, Tbilisi, Yerevan, Samara, Muscat, Port Louis, Victoria, Saint-Denis, Stepanakert
Europe
Eastern Europe
- Russia – Samara Time
- Southern Federal District
- Astrakhan Oblast
- Volga Federal District
- Samara Oblast
- Saratov Oblast
- Udmurtia
- Ulyanovsk Oblast
- Southern Federal District
South Caucasus
- Armenia – Armenia Time (used DST in 1981–2012)
- Azerbaijan – Azerbaijan Time (used DST in 1981–2016)
- Georgia – Georgia Time
- Except Abkhazia and South Ossetia
- Georgia moved from zone UTC 04:00 to UTC 03:00 on June 27, 2004, then back to UTC 04:00 on March 27, 2005.
- Except Abkhazia and South Ossetia
Asia
Middle East
- Oman – Time in Oman
- United Arab Emirates – United Arab Emirates Standard Time
Africa
- France
- French Southern and Antarctic Lands
- Crozet Islands
- Scattered Islands in the Indian Ocean
- Glorioso Islands and Tromelin Island
- Réunion
- French Southern and Antarctic Lands
- Mauritius – Mauritius Time
- Mauritius tried DST in 2008 but decided not to continue
- Seychelles – Seychelles Time
Discrepancies between official UTC 04:00 and geographical UTC 04:00
Areas in UTC 04:00 longitudes using other time zones
Using UTC 03:00:
- Yemen
- Socotra, the largest island in the Socotra Archipelago
- The easternmost part of Al-Mahrah
- Saudi Arabia
- The easternmost part of Syarqiyah
- Russia
- Most of Franz Josef Land, Yuzhny Island, and most of Severny Island (with an exception of the very east)
- Some parts of the Russian mainland (Komi Republic, Nenets Autonomous Okrug, east of Kirov Oblast and Tatarstan)
Using UTC 03:30:
- Most parts of Iran
Using UTC 04:30:
- Western parts of Afghanistan
Using UTC 05:00:
- Turkmenistan
- Kazakhstan
- Aktobe
- Kyzylorda
- Parts of Mangystau, Atyrau, and West Kazakhstan
- Uzbekistan
- Most parts of the country, including Samarkand
- Pakistan
- Western parts, including Karachi
- Russia
- Bashkortostan, Orenburg Oblast, Perm Krai, most parts of the Ural Federal District
Using UTC 06:00:
- Kazakhstan
- Kostanay
- A smaller parts of Turkistan
- Western parts of Karaganda, Akmola, and North Kazakhstan
Areas outside UTC 04:00 longitudes using UTC 04:00 time
- Caucasus region:
- Georgia, excluding Abkhazia and South Ossetia
- Armenia
- Azerbaijan
- Russia, with parts of its territories:
- Astrakhan, Samara, Saratov and Ulyanovsk (with an exception of the very east)
- Western half of Udmurtia
- United Arab Emirates
- The westernmost region of the Emirate of Abu Dhabi
- Seychelles
- Aldabra Group
- Cosmoledo Atoll
- Farquhar Group
- Aldabra Group
- French Southern and Antarctic Lands
- Crozet Islands
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