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im looking for some sort of plugin/script which can convert a specified time into a selected timezone.
e.g. on my site i have an event taking place at 10pm. i need the user to have the ability to select from a drop down menu a certain timezone which will then convert the 10pm to the selected timezone.
You might try using th Moment.js Timezone library: http://momentjs.com/timezone/
Whatever you choose, I wouldn’t recommend trying to implement timezones aware times yourself.