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How to Add or Remove Additional Clocks in Windows 10

information   Information
Windows can display up to three clocks: one for the local time and two additional clocks for the times in other time zones. After you set up additional clocks, you can view them by clicking on or pointing to the taskbar clock.

This tutorial will show you how to setup and show up to two additional clocks for your account in Windows 10.


CONTENTS:
  • Option One: To Add or Remove Additional Clocks in Date and Time Settings
  • Option Two: To Add or Remove Additional Clock 1 in Registry Editor
  • Option Three: To Add or Remove Additional Clock 2 in Registry Editor

EXAMPLE: Additional Clocks in Windows 10
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Add or Remove Additional Clocks in Windows 10 OPTION ONE Add or Remove Additional Clocks in Windows 10
To Add or Remove Additional Clocks in Date and Time Settings

1. Do step 2, step 3, or step 4 below for how you would like to open Date and Time settings.

2. Open the Control Panel (icons view), click/tap on the Date and Time icon, and go to step 5 below.

3. Right click or press and hold on the taskbar clock, click/tap on Adjust date/time, and go to step 4a below. (see screenshot below)

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4. Open Settings, and click/tap on the Time & Language icon.

A) Click/tap on Date & time on the left side, click/tap on the Add clocks for different time zones link under Related settings at the bottom, and go to step 5 below. (see screenshot below)

Click image for larger version. 

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5. Do step 6 (add) or step 7 (remove) below to add or remove additional clocks.


 6. To Add Additional Clocks

A) Check the Show this clock box for the clock(s) you want to add. (see screenshot below)

B) Select the time zone you want for the clock(s).

C) Enter a display name you want for the clock(s).

D) Click/tap on OK.

Name:  Date_and_Time.png
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 7. To Remove Additional Clocks

A) Uncheck the Show this clock box for the clock(s) you want to remove, and click/tap on OK. (see screenshot below)

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Add or Remove Additional Clocks in Windows 10 OPTION TWO Add or Remove Additional Clocks in Windows 10
To Add or Remove Additional Clock 1 in Registry Editor

1. Press the Win+R keys to open Run, type regedit, and click/tap on OK to open Registry Editor.

2. In Registry Editor, browse to the location below. (see screenshot below)
Note   Note
If you do not have the TimeDate key, then right click on the Control Panel key, click on New and Key, type TimeDate, and press Enter.

If you do not have the AdditionalClocks key, then right click on the TimeDate key, click on New and Key, type AdditionalClocks, and press Enter.

If you do not have the 1 key, then right click on the AdditionalClocks key, click on New and Key, type 1, and press Enter.


HKEY_CURRENT_USER\Control Panel\TimeDate\AdditionalClocks\1

Name:  Additional_Clock_1_Registry.png
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3. Do step 4 (add) or step 5 (remove) below to add or remove additional clock 1.


 4. To Add Additional Clock 1

A) In the right pane of the 1 key, double click/tap on the Enable DWORD to modify it. (see screenshot below step 2)
Note   Note
If you do not have the Enable DWORD, then right click on an empty area in the right pane of the 1 key, click on New and DWORD (32-bit) Value, type Enable, and press Enter.


B) Type 1, and click/tap on OK. (see screenshot below)

Name:  Add_Clock_Registry.png
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C) In the right pane of the 1 key, double click/tap on the DisplayName string value to modify it. (see screenshot below step 2)
Note   Note
If you do not have the DisplayName string value, then right click on an empty area in the right pane of the 1 key, click on New and String Value, type DisplayName, and press Enter.


D) Enter a display name you want for the clock, and click/tap on OK. (see screenshot below)

Name:  Clock_DisplayName_registry.png
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E) In the right pane of the 1 key, double click/tap on the TzRegKeyName string value to modify it. (see screenshot below step 2)
Note   Note
If you do not have the TzRegKeyName string value, then right click on an empty area in the right pane of the 1 key, click on New and String Value, type TzRegKeyName, and press Enter.


F) Enter a time zone from the list below you want for the clock, click/tap on OK, and go to step 6 below. (see screenshot below)

Name:  Clock_TimeZone_registry.png
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Time zone value data list:

Code:
Afghanistan Standard Time
Alaskan Standard Time
Arab Standard Time
Arabian Standard Time
Arabic Standard Time
Argentina Standard Time
Atlantic Standard Time
AUS Central Standard Time
AUS Eastern Standard Time
Azerbaijan Standard Time
Azores Standard Time
Bahia Standard Time
Bangladesh Standard Time
Belarus Standard Time
Canada Central Standard Time
Cape Verde Standard Time
Caucasus Standard Time
Central America Standard Time
Cen. Australia Standard Time
Central Asia Standard Time
Central Brazilian Standard Time
Central Europe Standard Time
Central European Standard Time
Central Pacific Standard Time
Central Standard Time
Central Standard Time (Mexico)
China Standard Time
Dateline Standard Time
E. Africa Standard Time
E. Australia Standard Time
E. Europe Standard Time
E. South America Standard Time
Eastern Standard Time
Eastern Standard Time (Mexico)
Egypt Standard Time
Ekaterinburg Standard Time
Fiji Standard Time
FLE Standard Time
Georgian Standard Time
GMT Standard Time
Greenland Standard Time
Greenwich Standard Time
GTB Standard Time
Hawaiian Standard Time
India Standard Time
Iran Standard Time
Israel Standard Time
Jordan Standard Time
Kaliningrad Standard Time
Korea Standard Time
Libya Standard Time
Line Islands Standard Time
Magadan Standard Time
Mauritius Standard Time
Middle East Standard Time
Montevideo Standard Time
Morocco Standard Time
Mountain Standard Time
Mountain Standard Time (Mexico)
Myanmar Standard Time
Namibia Standard Time
Nepal Standard Time
New Zealand Standard Time
Newfoundland Standard Time
North Asia East Standard Time
North Asia Standard Time
N. Central Asia Standard Time
Pacific SA Standard Time
Pacific Standard Time
Pacific Standard Time (Mexico)
Pakistan Standard Time
Paraguay Standard Time
Romance Standard Time
Russia Time Zone 3
Russia Time Zone 10
Russia Time Zone 11
Russian Standard Time
Samoa Standard Time
South Africa Standard Time
SA Eastern Standard Time
SA Pacific Standard Time
SA Western Standard Time
SE Asia Standard Time
Singapore Standard Time
Sri Lanka Standard Time
Syria Standard Time
Taipei Standard Time
Tasmania Standard Time
Tokyo Standard Time
Tonga Standard Time
Turkey Standard Time
US Eastern Standard Time
US Mountain Standard Time
UTC
UTC-02
UTC-11
UTC+12
Venezuela Standard Time
Vladivostok Standard Time
West Asia Standard Time
W. Australia Standard Time
W. Central Africa Standard Time
W. Europe Standard Time
West Pacific Standard Time
Yakutsk Standard Time


 5. To Remove Additional Clock 1

A) In the right pane of the 1 key, double click/tap on the Enable DWORD to modify it. (see screenshot below step 2)

B) Type 0 (number zero), click/tap on OK, and go to step 6 below. (see screenshot below)

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6. When finished, you can close Registry Editor if you like.






Add or Remove Additional Clocks in Windows 10 OPTION THREE Add or Remove Additional Clocks in Windows 10
To Add or Remove Additional Clock 2 in Registry Editor

1. Press the Win+R keys to open Run, type regedit, and click/tap on OK to open Registry Editor.

2. In Registry Editor, browse to the location below. (see screenshot below)
Note   Note
If you do not have the TimeDate key, then right click on the Control Panel key, click on New and Key, type TimeDate, and press Enter.

If you do not have the AdditionalClocks key, then right click on the TimeDate key, click on New and Key, type AdditionalClocks, and press Enter.

If you do not have the 2 key, then right click on the AdditionalClocks key, click on New and Key, type 2, and press Enter.


HKEY_CURRENT_USER\Control Panel\TimeDate\AdditionalClocks\2

Name:  Additional_Clock_2_Registry.png
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3. Do step 4 (add) or step 5 (remove) below to add or remove additional clock 2.


 4. To Add Additional Clock 2

A) In the right pane of the 2 key, double click/tap on the Enable DWORD to modify it. (see screenshot below step 2)
Note   Note
If you do not have the Enable DWORD, then right click on an empty area in the right pane of the 2 key, click on New and DWORD (32-bit) Value, type Enable, and press Enter.


B) Type 1, and click/tap on OK. (see screenshot below)

Name:  Add_Clock_Registry.png
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C) In the right pane of the 2 key, double click/tap on the DisplayName string value to modify it. (see screenshot below step 2)
Note   Note
If you do not have the DisplayName string value, then right click on an empty area in the right pane of the 2 key, click on New and String Value, type DisplayName, and press Enter.


D) Enter a display name you want for the clock, and click/tap on OK. (see screenshot below)

Name:  Clock_DisplayName_registry.png
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E) In the right pane of the 2 key, double click/tap on the TzRegKeyName string value to modify it. (see screenshot below step 2)
Note   Note
If you do not have the TzRegKeyName string value, then right click on an empty area in the right pane of the 2 key, click on New and String Value, type TzRegKeyName, and press Enter.


F) Enter a time zone from the list below you want for the clock, click/tap on OK, and go to step 6 below. (see screenshot below)

Name:  Clock_TimeZone_registry.png
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Size:  5.8 KB

Time zone value data list:

Code:
Afghanistan Standard Time
Alaskan Standard Time
Arab Standard Time
Arabian Standard Time
Arabic Standard Time
Argentina Standard Time
Atlantic Standard Time
AUS Central Standard Time
AUS Eastern Standard Time
Azerbaijan Standard Time
Azores Standard Time
Bahia Standard Time
Bangladesh Standard Time
Belarus Standard Time
Canada Central Standard Time
Cape Verde Standard Time
Caucasus Standard Time
Central America Standard Time
Cen. Australia Standard Time
Central Asia Standard Time
Central Brazilian Standard Time
Central Europe Standard Time
Central European Standard Time
Central Pacific Standard Time
Central Standard Time
Central Standard Time (Mexico)
China Standard Time
Dateline Standard Time
E. Africa Standard Time
E. Australia Standard Time
E. Europe Standard Time
E. South America Standard Time
Eastern Standard Time
Eastern Standard Time (Mexico)
Egypt Standard Time
Ekaterinburg Standard Time
Fiji Standard Time
FLE Standard Time
Georgian Standard Time
GMT Standard Time
Greenland Standard Time
Greenwich Standard Time
GTB Standard Time
Hawaiian Standard Time
India Standard Time
Iran Standard Time
Israel Standard Time
Jordan Standard Time
Kaliningrad Standard Time
Korea Standard Time
Libya Standard Time
Line Islands Standard Time
Magadan Standard Time
Mauritius Standard Time
Middle East Standard Time
Montevideo Standard Time
Morocco Standard Time
Mountain Standard Time
Mountain Standard Time (Mexico)
Myanmar Standard Time
Namibia Standard Time
Nepal Standard Time
New Zealand Standard Time
Newfoundland Standard Time
North Asia East Standard Time
North Asia Standard Time
N. Central Asia Standard Time
Pacific SA Standard Time
Pacific Standard Time
Pacific Standard Time (Mexico)
Pakistan Standard Time
Paraguay Standard Time
Romance Standard Time
Russia Time Zone 3
Russia Time Zone 10
Russia Time Zone 11
Russian Standard Time
Samoa Standard Time
South Africa Standard Time
SA Eastern Standard Time
SA Pacific Standard Time
SA Western Standard Time
SE Asia Standard Time
Singapore Standard Time
Sri Lanka Standard Time
Syria Standard Time
Taipei Standard Time
Tasmania Standard Time
Tokyo Standard Time
Tonga Standard Time
Turkey Standard Time
US Eastern Standard Time
US Mountain Standard Time
UTC
UTC-02
UTC-11
UTC+12
Venezuela Standard Time
Vladivostok Standard Time
West Asia Standard Time
W. Australia Standard Time
W. Central Africa Standard Time
W. Europe Standard Time
West Pacific Standard Time
Yakutsk Standard Time


 5. To Remove Additional Clock 2

A) In the right pane of the 2 key, double click/tap on the Enable DWORD to modify it. (see screenshot below step 2)

B) Type 0 (number zero), click/tap on OK, and go to step 6 below. (see screenshot below)

Name:  Remove_Clock_Registry.png
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Size:  6.8 KB


6. When finished, you can close Registry Editor if you like.





That's it,
Shawn