Updating current time…
AlgeriaCET
UTC+1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GMT
UTC+0
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
The United Kingdom is on summer time: BST (UTC+1) until Sun, Oct 25.

Iceland and Ghana stay on GMT (UTC+0).

Quick answers

Selected conversion

1:00 pm13:00 CET (UTC+1), Oct 16, 2026 = 12:00 pm12:00 GMT (UTC+0), Oct 16, 2026

Chelghoum el Aïd is 1 hour ahead of GMT.

How the time difference changes

Chelghoum el Aid is 1 hour ahead of GMT year-round.

Working hours of 9:00 am to 6:00 pm in Chelghoum el Aid correspond to 8:00 am to 5:00 pm in GMT.Working hours of 09:00 to 18:00 in Chelghoum el Aid correspond to 08:00 to 17:00 in GMT.

Compare Chelghoum el Aid time with GMT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

CET (Central European Time) is 1 hour ahead of Greenwich Mean Time.
1:00 pm13:00 in Chelghoum el Aid, Algeria is 12:00 pm12:00 in GMT

Chelghoum el Aïd to GMT call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in Chelghoum el Aïd which corresponds to 9am-5pm09:00-17:00 in GMT

1:00 pm13:00 CET (Central European Time) (Chelghoum el Aid, Algeria). Offset UTC +1:00 hour
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours

1:00 pm13:00 Chelghoum el Aid, Algeria / 12:00 pm12:00 GMT

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
Chelghoum el Aid, AlgeriaGMT
11:00pm previous day
12:00am
1:00am
2:00am
3:00am
4:00am
5:00am
6:00am
7:00am
8:00am
9:00am
10:00am
11:00am
12:00pm
1:00pm
2:00pm
3:00pm
4:00pm
5:00pm
6:00pm
7:00pm
8:00pm
9:00pm
10:00pm
23:00 previous day
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00

Chelghoum el Aïd Time Zone and Facts

Time Zone

Abbreviation / Offset
CET – Central European Time, UTC+1 (no daylight saving time)

Chelghoum el Aïd Facts

Country
Algeria
Alternative Names
Chateaudun, Chateaudun de Rhumel, Chateaudun-du Rummel, Chateaudun-du-Rhumel, Chateaudun-du-Rhummel, Chelghoum el Aid, Chelghoum el Aïd, Châteaudun, Châteaudun de Rhumel, Châteaudun-du Rummel, Châteaudun-du-Rhumel, Châteaudun-du-Rhummel, Ghelghoum Elaid, Ghelghoum Elaïd, Ghelgoum Elaid, Ghelgoum Elaïd
Population
54,495
Currency
Dinar (DZD)
Geographic Coordinates
36° 09' N Latitude / 6° 09' E Longitude
International Dialing Code
+213

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 the lighter areas are on UTC+1 (British Summer Time, Irish Standard Time).

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