How to get current timezone region (tz database name) in Flutter

Question

DateTime is the default class give use timezone and time offset both required to solve timezone related issue.

 DateTime dateTime = DateTime.now();
 print(dateTime.timeZoneName);
 print(dateTime.timeZoneOffset);

Output:

1. India

timeZoneName: IST
timeZoneOffset: 5:30:00.000000

2. America/Los_Angeles

timeZoneName: PST
timeZoneOffset: -8:00:00.000000

timezone list: https://help.syncfusion.com/flutter/calendar/timezone