(Edit: Having reviewed a lot of entries.... so far, the best ones don't actually combine a clock and globe or compass. they keep them as 2 distinct elements. when they are combined users are confused and aren't sure what it is, but separately people seem to get it.
Also if you include a clock, I would stay away from 3:00 or 9:00. the right angles look stilted. most of the good looking ones are closer 5:00 or 7:00)
Since it's for ios i need these technical specifications: