Sharp World Clock
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Full user review
"The Only One"
I can not imagine a feature you would want in a clock app that is not included in Sharp World Clock.
It makes other clock programs look dumb.
I have reviewed this app before and version 5 has outdone itself. I like to trade on world markets like forex and I use this program to remind me when markets are opening or close. That is super easy with alarms and office hours. I can only think of about 100 other reasons to use it. If you need an app for even one other time zone I wouldn't bother with the others, I did and this is the one I was looking for. It is fun to configure and is really sharp.