Amazon Free App of the Day:

PolyClock World Clock

Android, App

PolyClock World Clock

Full-featured global clock – day, night, & extent of time zone displayed on map & globe
Set alarms for any time zone on your list
Plan meetings with just a swipe of the finger, or jump directly to any date/time
Double-tap any clock for even more details: sunrise, sunset, DST…
Can automatically correct your phone’s time zone setting
Easily add any city on Earth, as many clocks as you like
Lots of appearance options