You've still not really clarified your intent, but you appear to mean only
large cities, in which case you can scrape much of this information from
wikipedia as Time zone is a standard field in the RHS info box for cities.
I'm sure you could piece together a simplified version of the rest as well.
--
Free map of local environmental resources: http://CambridgeMA.GreenMap.org
--
MOTD on Pungenday, the 10th of Discord, in the YOLD 3174:
How did it get so late so soon? It's night before it's afternoon. December is
here before it's June. My goodness how the time has flewn. How did it get so
late so soon? -Dr. Seuss
