You can create "Time Zones" according to your needs.
For this, you need to define the following points.
Time Difference: you need to define the following points. You need to write the (-) or (+) time difference with respect to Greenwich Mean Time (GMT). For example; "-01:00" or "+01:00".
Format: You need to write the format according to the time difference you defined above. For example; "(GMT-01:00) " or "(GMT+01:00) ".
Explanation: You must write "Time Difference Name".