Teatime is an applet for the GNOME panel that reminds you when your tea is ready. You can select from predefined and user configurable teas and drawing times, different tea cups, and the kind of alarm to be used when drawing time is reached.

Teatime is a tea-drawing-time-observer-applet for the gnome-panel

the traditional time for serving tea, usually late afternoon.

a light midafternoon meal of tea and sandwiches or cakes; "an Englishman would interrupt a war to have his afternoon tea"