How to create clocks for diff time zones

Hello all
I’m working on a small site in which I’ve to give 5 clocks of different cities (London,New york,Sydney,Tokyo,Mumbai). I’ve found one clock on I’ve modifed it according to my way. But Im not able to apply the diff time zones as my prime requirement.Can anyone help me in finding the solution for the same.
Im attaching the fla for ur reference. ( the original one without any time zone )

Thanks & regards