get all timezones and their time offset using c#

 foreach (TimeZoneInfo z in TimeZoneInfo.GetSystemTimeZones())
            {
                Console.WriteLine(z.Id);
                Console.WriteLine(z.BaseUtcOffset.TotalMinutes);
                Console.WriteLine(TimeZoneInfo.ConvertTimeToUtc(DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Unspecified), TimeZoneInfo.FindSystemTimeZoneById(z.Id)));
            }







Dateline Standard Time
-720
UTC-11
-660
Hawaiian Standard Time
-600
Alaskan Standard Time
-540
Pacific Standard Time (Mexico)
-480
Pacific Standard Time
-480
US Mountain Standard Time
-420
Mountain Standard Time (Mexico)
-420
Mountain Standard Time
-420
Central America Standard Time
-360
Central Standard Time
-360
Central Standard Time (Mexico)
-360
Canada Central Standard Time
-360
SA Pacific Standard Time
-300
Eastern Standard Time
-300
US Eastern Standard Time
-300
Venezuela Standard Time
-270
Paraguay Standard Time
-240
Atlantic Standard Time
-240
Central Brazilian Standard Time
-240
SA Western Standard Time
-240
Pacific SA Standard Time
-240
Newfoundland Standard Time
-210
E. South America Standard Time
-180
Argentina Standard Time
-180
SA Eastern Standard Time
-180
Greenland Standard Time
-180
Montevideo Standard Time
-180
Bahia Standard Time
-180
UTC-02
-120
Mid-Atlantic Standard Time
-120
Azores Standard Time
-60
Cape Verde Standard Time
-60
Morocco Standard Time
0
UTC
0
GMT Standard Time
0
Greenwich Standard Time
0
W. Europe Standard Time
60
Central Europe Standard Time
60
Romance Standard Time
60
Central European Standard Time
60
W. Central Africa Standard Time
60
Namibia Standard Time
60
Jordan Standard Time
120
GTB Standard Time
120
Middle East Standard Time
120
Egypt Standard Time
120
Syria Standard Time
120
E. Europe Standard Time
120
South Africa Standard Time
120
FLE Standard Time
120
Turkey Standard Time
120
Israel Standard Time
120
Libya Standard Time
120
Arabic Standard Time
180
Kaliningrad Standard Time
180
Arab Standard Time
180
E. Africa Standard Time
180
Iran Standard Time
210
Arabian Standard Time
240
Azerbaijan Standard Time
240
Russian Standard Time
240
Mauritius Standard Time
240
Georgian Standard Time
240
Caucasus Standard Time
240
Afghanistan Standard Time
270
West Asia Standard Time
300
Pakistan Standard Time
300
India Standard Time
330
Sri Lanka Standard Time
330
Nepal Standard Time
345
Central Asia Standard Time
360
Bangladesh Standard Time
360
Ekaterinburg Standard Time
360
Myanmar Standard Time
390
SE Asia Standard Time
420
N. Central Asia Standard Time
420
China Standard Time
480
North Asia Standard Time
480
Singapore Standard Time
480
W. Australia Standard Time
480
Taipei Standard Time
480
Ulaanbaatar Standard Time
480
North Asia East Standard Time
540
Tokyo Standard Time
540
Korea Standard Time
540
Cen. Australia Standard Time
570
AUS Central Standard Time
570
E. Australia Standard Time
600
AUS Eastern Standard Time
600
West Pacific Standard Time
600
Tasmania Standard Time
600
Yakutsk Standard Time
600
Central Pacific Standard Time
660
Vladivostok Standard Time
660
New Zealand Standard Time
720
UTC+12
720
Fiji Standard Time
720
Magadan Standard Time
720
Kamchatka Standard Time
720
Tonga Standard Time
780
Samoa Standard Time
780