Use the clock on your Kindle.

Can visit https://lecepin.github.io/kindle-time/ or http:https://ktime.leping.fun/.

• fs: set font size. Default value 7.
• r: set rotate. Default value 0. It is used to rotate the screen display, such as setting 90, the display will be rotated 90 degrees.
• l: set lang. The Chinese day of the week is displayed by default. You can set en.

The required configuration items can be set individually or together.

For example: http:https://ktime.leping.fun/?fs=10&r=90:

Do not turn off the screen settings.

In the system search box, enter ~ds.