Install kteatime by entering the following commands in the terminal:
sudo apt update sudo apt install kteatime
Description:
utility for making a fine cup of tea
KTeaTime is a handy timer for steeping tea. No longer will you have to guess at how long it takes for your tea to be ready. Simply select the type of tea you have, and it will alert you when the tea is ready to drink. . This package is part of the KDE toys module.
Homepage: http://www.kde.org/
Version: 4:17.12.3-0ubuntu1
Section: universe/kde