Ubuntu, change timezone BST, EST,GMT, EDT… to UTC
Show current you datetime and timezone:
date
Method 1: Using timedatectl
sudo timedatectl set-timezone <time_zone>
Example: sudo timedatectl set-timezone UTC
You can also change to timzone GMT, EST… by timedatectl command.
Method 2:
if you cannot use timedatectl command you can try with thi method:
sudo ln -sf /usr/share/zoneinfo/<time_zone> /etc/localtime
Example:
sudo ln -sf /usr/share/zoneinfo/EST /etc/localtime
sudo ln -sf /usr/share/zoneinfo/UTC /etc/localtime
Method 3: Using dpkg-reconfigure
sudo dpkg-reconfigure tzdata
Step 1: SelectGeographic area
Step 2: Select timezone by city
Result:
Okay, Done!
Reference:
https://askubuntu.com/…-change-time-zone-settings-from-the-command-line