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Alpha Time Zone — A

Military letter A (Alpha) maps to the UTC+1 offset from Coordinated Universal Time. Used across Western and Central Europe and parts of West Africa.

Alpha (A) — UTC+1

16:40:52

Thursday, 22 October 2026 GMT+1

About Alpha

UTC offset

UTC+1

Letter A = Alpha in the NATO phonetic alphabet.

Where A is used

Used across Western and Central Europe and parts of West Africa.

Places on UTC+1 (A time) in 2026

57 zones in the tz database are at UTC+1 for at least part of 2026. Zones listed under January or July only are on this offset for part of the year, because they change their clocks for daylight saving time. Civil abbreviations at this offset: BST, CET.

All year (15 zones)

Algeria, Angola, Benin, Cameroon, Central African Republic, Chad, Congo - Brazzaville, Congo - Kinshasa, Equatorial Guinea, Gabon, Morocco, Niger, Nigeria, Tunisia, Western Sahara

Africa/Algiers · Africa/Bangui · Africa/Brazzaville · Africa/Casablanca · Africa/Douala · Africa/El Aaiun · Africa/Kinshasa · Africa/Lagos · Africa/Libreville · Africa/Luanda · Africa/Malabo · Africa/Ndjamena · Africa/Niamey · Africa/Porto-Novo · Africa/Tunis

In January only (33 zones)

Albania, Andorra, Austria, Belgium, Bosnia & Herzegovina, Croatia, Czechia, Denmark, France, Germany, Gibraltar, Hungary, Italy, Liechtenstein, Luxembourg, Malta, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, San Marino, Serbia, Slovakia, Slovenia, Spain, Svalbard & Jan Mayen, Sweden, Switzerland, Vatican City

Africa/Ceuta · Arctic/Longyearbyen · Europe/Amsterdam · Europe/Andorra · Europe/Belgrade · Europe/Berlin · Europe/Bratislava · Europe/Brussels · Europe/Budapest · Europe/Busingen · Europe/Copenhagen · Europe/Gibraltar · Europe/Ljubljana · Europe/Luxembourg · Europe/Madrid · Europe/Malta · Europe/Monaco · Europe/Oslo · Europe/Paris · Europe/Podgorica · Europe/Prague · Europe/Rome · Europe/San Marino · Europe/Sarajevo · Europe/Skopje · Europe/Stockholm · Europe/Tirane · Europe/Vaduz · Europe/Vatican · Europe/Vienna and 3 more

In July only (9 zones)

Faroe Islands, Guernsey, Ireland, Isle of Man, Jersey, Portugal, Spain, United Kingdom

Atlantic/Canary · Atlantic/Faeroe · Atlantic/Madeira · Europe/Dublin · Europe/Guernsey · Europe/Isle of Man · Europe/Jersey · Europe/Lisbon · Europe/London

Converting A time

In a military date-time group the zone letter follows the time: 151430A JAN 26 means 14:30 Alpha time on 15 January 2026, which is 151330Z JAN 26 in Zulu (UTC).

ZoneOffsetWhen it's 12:00 A
U Uniform UTC-8 03:00
S Sierra UTC-6 05:00
R Romeo UTC-5 06:00
Z Zulu UTC 11:00
B Bravo UTC+2 13:00
C Charlie UTC+3 14:00
E Echo UTC+5 16:00
H Hotel UTC+8 19:00
I India UTC+9 20:00
K Kilo UTC+10 21:00

Other military letters