NB. If you work with Windows v7 and above, in the "Day and hour" applet or the "Clock, Language, and Region" category of the Control Panel, you can add additional clocks with other time zones on your desktop.
You can also install the "WorldClock - Time Zone" applet from the Microsoft Store.
Mac users can install the Clocks applet (2.99$) on their desktop.
For more information
Status of solar, geomagnetic and auroral activities (on this site)