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SpainCET
UTC+1
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Quick answers

Selected conversion

12:00 pm12:00 GMT (UTC+0), Oct 28, 2026 = 1:00 pm13:00 CET (UTC+1), Oct 28, 2026

GMT is 1 hour behind San Sebastián de los Reyes.

How the time difference changes

For most of the year, GMT is 2 hours behind San Sebastian de los Reyes. From Oct 25, 2026 to Mar 28, 2027, GMT is 1 hour behind San Sebastian de los Reyes.

For most of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 11:00 am to 8:00 pm in San Sebastian de los Reyes. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 10:00 am to 7:00 pm in San Sebastian de los Reyes.For most of the year, working hours of 09:00 to 18:00 in GMT correspond to 11:00 to 20:00 in San Sebastian de los Reyes. At other times of the year, working hours of 09:00 to 18:00 in GMT correspond to 10:00 to 19:00 in San Sebastian de los Reyes.

Compare GMT time with San Sebastian de los Reyes time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Greenwich Mean Time is 1 hour behind CET (Central European Time).
12:00 pm12:00 in GMT is 1:00 pm13:00 in San Sebastian de los Reyes, Spain

GMT to San Sebastián de los Reyes call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in GMT which corresponds to 10am-6pm10:00-18:00 in San Sebastián de los Reyes

12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
1:00 pm13:00 CET (Central European Time) (San Sebastian de los Reyes, Spain). Offset UTC +1:00 hour

12:00 pm12:00 GMT / 1:00 pm13:00 San Sebastian de los Reyes, Spain

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
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Greenwich Mean Time

Offset: GMT is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, Burkina Faso, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Togo, United Kingdom, Western Sahara

Principal Cities: The largest city in the GMT time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.

Map of the areas on Greenwich Mean Time (GMT)
GMT all year GMT part of the year

Today all shaded areas are on GMT.

GMT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for GMT
  • Z - short form of 'Zulu'
IANA/Olson: Reflects GMT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Abidjan
  • Africa/Accra
  • Africa/Bamako
  • Africa/Banjul
  • Africa/Bissau
  • Africa/Conakry
  • Africa/Dakar
  • Africa/Freetown
  • Africa/Lome
  • Africa/Monrovia
  • Africa/Nouakchott
  • Africa/Ouagadougou
  • Africa/Sao_Tome
  • Africa/Timbuktu
  • America/Danmarkshavn
  • Atlantic/Reykjavik
  • Atlantic/St_Helena
  • Eire
  • Etc/GMT
  • Etc/GMT+0
  • Etc/GMT-0
  • Etc/GMT0
  • Etc/Greenwich
  • Europe/Belfast
  • Europe/Dublin
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
  • GMT
  • GMT+0
  • GMT-0
  • GMT0
  • Greenwich
  • Iceland
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

San Sebastián de los Reyes Time Zone and Facts

Time Zone

Abbreviation / Offset
CET – Central European Time, UTC+1 (now)
CEST – Central European Summer Time, UTC+2 (daylight saving time)
Daylight Saving Time Starts
123456789101112Sunday, March 28, 2027 at 2:00 amSunday, March 28, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (CEST). DST starts on the last Sunday of March each year. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
123456789101112Sunday, October 31, 2027 at 3:00 amSunday, October 31, 2027 at 03:00: clocks go back 1 hour to 2:00 am02:00 (CET). DST ends on the last Sunday of October each year. Also called Fall Back or Winter Time.

San Sebastián de los Reyes Facts

Country
Spain
Alternative Names
S.S. de los Reyes, SS de los Reyes, San Sebastian de los Rejesas, San Sebastian de los Reyes, San Sebastijan de los Rejes, San Sebastián de los Reyes, San-Sebast'jan-de-los-Rees, San-Sebastian-de-los-Rejes, Sanctus Sebastianus Regum, Sanse, san sbastyan dy lws ryys, sheng sai wa si di an de luo si lei ai si, Сан Себастијан де лос Рејес, Сан-Себастиан-де-лос-Рейес, Сан-Себастьян-де-лос-Реєс, سان سباستيان دي لوس رييس, サン・セバスティアン・デ・ロス・レイエス, 圣塞瓦斯蒂安德洛斯雷埃斯
Population
75,912
Currency
Euro (EUR)
Geographic Coordinates
40° 33' N Latitude / 3° 37' W Longitude
International Dialing Code
+34
More About San Sebastián de los Reyes