Three-clock Configuration in System Time

Windows can display up to three additional clocks and time in other time zones. Viewing can be done by hovering or pointing to the taskbars clock.

Lets dig into the topic from Windows to registry. 

 

To add, click ‘Change date and time settings…’ and configure those clocks located at additional Clocks Tab. For each clock, click to check ‘Show this clock’. Select a time zone from the drop-down list, type a name up to 15 characters, and then click OK.

Editing Additional Clocks using Windows Registry

Use the start search, type “regedit” and go to the path below:

HKEY_CURRENT_USER\Control Panel\TimeDate\AdditionalClocks\1

HKEY_CURRENT_USER\Control Panel\TimeDate\AdditionalClocks\2

Data Value	Type
DisplayName	String Value	any name
Enable	DWORD Value	1 or 0
TzRegKeyName	String Value	Time Zone

 

Time Zone		Registry Value
UTC-12:00	International Dateline West	Dateline Standard Time
UTC-11:00	Coordinated Universal Time	UTC-11
UTC-10:00	Hawaii	Hawaiian Standard Time
UTC-9:00	Alaska	Alaska Standard Time
UTC-8:00	Baja California	Pacific Standard Time (Mexico)
UTC-7:00	Arizona	US Mountain Standard Time
UTC-7:00	Chihuahua, La Paz, Mazatlan	Mountain Standard Time (Mexico)
UTC-7:00	Mountain Time (US & Canada)	Mountain Standard Time
UTC-6:00	Central America	Central America Standard Time
UTC-6:00	Central America (US & Canada)	Central Standard Time
UTC-6:00	Guadalajara, Mexico City, Monterrey	Central Standard Time (Mexico)
UTC-6:00	Saskatchewan	Canada Central Standard Time
UTC-5:00	Bogota, Lima, Quito	SA Pacific Standard Time
UTC-5:00	Eastern Time (US & Canada)	Eastern Standard Time
UTC-5:00	Indiana (East)	US Eastern Standard Time
UTC-4:30	Caracas	Venezuela Standard Time
UTC-4:00	Asuncion	Paraguay Standard Time
UTC-4:00	Atlantic Time (Canada)	Atlantic Standard Time
UTC-4:00	Cuiaba	Central Brazilian Standard Time
UTC-4:00	Georgetown, La Paz, Manaus, San Juan	SA Western Standard Time
UTC-4:00	Santiago	Pacific SA Standard Time
UTC-3:30	Newfoundland	Newfoundland Standard Time
UTC-3:00	Brasilia	E. South America Standard Time
UTC-3:00	Buenos Aires	Argentina Standard Time
UTC-3:00	Cayenne, Fortaleza	SA Eastern Standard Time
UTC-3:00	Greenland	Greenland Standard Time
UTC-3:00	Montevideo	Montevideo Standard Time
UTC-3:00	Salvador	Bahia Standard Time
UTC-2:00	Coordinated Universal Time-02	UTC-02
UTC-2:00	Mid-Atlantic	Mid-Atlantic Standard Time
UTC-1:00	Azores	Azores Standard Time
UTC-1:00	Cape Verde Is.	Cape Verde Standard Time
UTC	Casablanca	Morocco Standard Time
UTC	Coordinated Universal Time	UTC
UTC	Dublin, Edinburgh, Lisbon, London	GMT Standard Time
UTC	Monrovia, Reykjavik	Greenwich Standard Time
UTC+1:00	Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna	W. Europe Standard Time
UTC+1:00	Belgrade, Bratislava, Budapest, Ljubljana, Prague	Central Europe Standard Time
UTC+1:00	Brussels, Copenhagen, Madrid, Paris	Romance Standard Time
UTC+1:00	Sarajevo, Skopje, Warsaw, Zagreb	Central European Standard Time
UTC+1:00	West Central Africa	W. Central Africa Standard Time
UTC+1:00	Windhoek	Namibia Standard Time
UTC+2:00	Amman	Jordan Standard Time
UTC+2:00	Athens, Bucharest	GTB Standard Time
UTC+2:00	Beirut	Middle East Standard Time
UTC+2:00	Cairo	Egypt Standard Time
UTC+2:00	Damascus	Syria Standard Time
UTC+2:00	Harare, Pretoria	South Africa Standard Time
UTC+2:00	Helsinki, Kyiv, Riga, Sofia, Tallinn, Vilnius	FLE Standard Time
UTC+2:00	Istanbul	Turkey Standard Time
UTC+2:00	Jerusalem	Israel Standard Time
UTC+2:00	Nicosia	E. Europe Standard Time
UTC+3:00	Baghdad	Arabic Standard Time
UTC+3:00	Kaliningrad,Minsk	Kaliningrad Standard Time
UTC+3:00	Kuwait, Riyadh	Arab Standard Time
UTC+3:00	Nairobi	E. Africa Standard Time
UTC+3:30	Tehran	Iran Standard Time
UTC+4:00	Abu Dhabi, Muscat	Arabian Standard Time
UTC+4:00	Baku	Azerbaijan Standard Time
UTC+4:00	Moscow, St. Petersburg, Volgograd	Russian Standard Time
UTC+4:00	Port Luis	Mauritius Standard Time
UTC+4:00	Tbilisi	Georgian Standard Time
UTC+4:00	Yerevan	Caucasus Standard Time
UTC+4:30	Kabul	Afghanistan Standard Time
UTC+5:00	Islamabad, Karachi	Pakistan Standard Time
UTC+5:00	Tashkent	West Asia Standard Time
UTC+5:30	Chennai, Kolkata, Mumbai, New Delhi	India Standard Time
UTC+5:30	Sri Jayewardenepura	Sri Lanka Standard Time
UTC+5:45	Kathmandu	Nepal Standard Time
UTC+6:00	Astana	Central Asia Standard Time
UTC+6:00	Dhaka	Bangladesh Standard Time
UTC+6:00	Ekaterinburg	Ekaterinburg Standard Time
UTC+6:30	Yangon (Rangoon)	Myanmar Standard Time
UTC+7:00	Bangkok, Hanoi, Jakarta	SE Asia Standard Time
UTC+8:00	Beijing, Chongqing, Hong Kong, Urumqi	China Standard Time
UTC+8:00	Krasnoyarsk	North Asia Standard Time
UTC+8:00	Kuala Lumpur, Singapore	Singapore Standard Time
UTC+8:00	Perth	W. Australia Standard Time
UTC+8:00	Taipei	Taipei Standard Time
UTC+8:00	Ulaanbaatar	Ulaanbaatar Standard Time
UTC+9:00	Irkutsk	North Asia East Standard Time
UTC+9:00	Osaka, Sapporo, Tokyo	Tokyo Standard Time
UTC+9:00	Seoul	Korea Standard Time
UTC+9:30	Adelaide	Cen. Australia Standard Time
UTC+9:30	Darwin	AUS Central Standard Time
UTC+10:00	Brisbane	E. Australia Standard Time
UTC+10:00	Canberra, Melbourne, Sydney	AUS Eastern Standard Time
UTC+10:00	Guam, Port Moresby	West Pacific Standard Time
UTC+10:00	Hobart	Tasmania Standard Time
UTC+10:00	Yakutsk	Yakutsk Standard Time
UTC+11:00	Solomon Is., New Caledonia	Central Pacific Standard Time
UTC+11:00	Vladivostok	Vladivostok Standard Time
UTC+12:00	Auckland, Wellington	New Zealand Standard Time
UTC+12:00	Coordinated Universal Time+12	UTC+12
UTC+12:00	Fiji	Fiji Standard Time
UTC+12:00	Magadan	Magadan Standard Time
UTC+13:00	Nuku’alofa	Tonga Standard Time
UTC+13:00	Samoa	Samoa Standard Time