Folks, I've been lurking here for some time, hoping to pick up some hints -- and it has been a valuable education. But, while my company has a problem that is completely tangential to the primary topic of this list, it's still possible that you can point me in the right direction. One of our problems is to automate the task of deciding what time zone pertains, given the locality. In other words, if the location is "KIAH", which is the ICAO code for Houston Intercontinental Airport in Houston, Texas, how can I know what time zone pertains to that location? Once I know the zone, there are any number of solutions to the problem of figuring out what is the current offzet from Z. But knowing the zone is nontrivial. You'd think there'd be a database somewhere that gives the time zones of all airports. There used to be, but updates to it are no longer being issued. Failing that, I could try the more general problem of determining zone based on city, state and country names. But I have found no help there either. Does anybody have a suggestion where I should look to solve this problem? Thanks.
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