Changing Time Zone in CentOS 8 / RHEL 8

There are two methods that can be used to change the time zone in your CentOS 8 system.

• By using Timedatectl Command
• By using /etc/localtime file

We will look over both methods to change time zone on our CentOS system.

Using timedatectl command

Check the current time zone by typing date in your Terminal

[sabi@localhost ~]$ date
Mon Dec 23 05:40:27 EST 2019

First, list the available time zone by typing the below command in your terminal.

timedatectl list-timezones

Output will list all available Time zones like

Africa/Abidjan
 Africa/Accra
 Africa/Addis_Ababa
 Africa/Algiers
 Africa/Asmara
 Africa/Bamako
 Africa/Bangui
 Africa/Banjul
 Africa/Bissau
 Africa/Blantyre
 Africa/Brazzaville
 Africa/Bujumbura
 Africa/Cairo
 Africa/Casablanca
 Africa/Ceuta
 Africa/Conakry
 Africa/Dakar
 Africa/Dar_es_Salaam
 Africa/Djibouti
 Africa/Douala
 Africa/El_Aaiun
 Africa/Freetown
 Africa/Gaborone
 Africa/Harare
 Africa/Johannesburg
 Africa/Juba
 Africa/Kampala
 Africa/Khartoum
 Africa/Kigali
 Africa/Kinshasa
 Africa/Lagos
 Africa/Libreville
 Africa/Lome
 Africa/Luanda
 Africa/Lubumbashi
 Africa/Lusaka
 Africa/Malabo

Now, choose the desire one which you want to set up on your CentOS system. You can also filter the time zone for your cities by running

timedatectl list-timezones | grep -i chicago

Output:

Africa/Accra

In my case I’m setting to Africa/Accra.

timedatectl set-timezone Africa/Accra

You can verify the time zone by running

date

Output:

[sabi@localhost ~]$ date
 Mon Dec 23 10:46:27 GMT 2019

Using /etc/localtime file

We can also set the time zone by the local time file. We’ll change the time zone from GMT to EST. Use the date command to see the current time zone.

date

Output:

 [sabi@localhost ~]$ date
 Mon Dec 23 10:46:27 GMT 2019 

here you can see that my system is Configured with Greenwich Mean Time (GMT)

Now, use ls command to list the all time zones in /usr/share/zoneinfo/. You can also navigate to the country specific directory like /usr/share/zoneinfo/Africa directory would contain the Africa Time Zone.

[sabi@localhost ~]$ ls /usr/share/zoneinfo/Africa
 Abidjan      Bissau       Dar_es_Salaam  Kampala     Lusaka     Niamey
 Accra        Blantyre     Djibouti       Khartoum    Malabo     Nouakchott
 Addis_Ababa  Brazzaville  Douala         Kigali      Maputo     Ouagadougou
 Algiers      Bujumbura    El_Aaiun       Kinshasa    Maseru     Porto-Novo
 Asmara       Cairo        Freetown       Lagos       Mbabane    Sao_Tome
 Asmera       Casablanca   Gaborone       Libreville  Mogadishu  Timbuktu
 Bamako       Ceuta        Harare         Lome        Monrovia   Tripoli
 Bangui       Conakry      Johannesburg   Luanda      Nairobi    Tunis
 Banjul       Dakar        Juba           Lubumbashi  Ndjamena   Windhoek

Create a link with the time zone you want to use. I’m using for CST ( Central Standard Time)

ln -sf /usr/share/zoneinfo/US/Eastern /etc/localtime

OR

ln -sf /usr/share/zoneinfo/America/Chicago /etc/localtime

After setting up, verify the changes

date

Output:

[sabi@localhost ~]$ date
 Mon Dec 23 10:46:27 CST 2019

So in this way, you can change time zone in CentOS 8 / RHEL 8.

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