Get client timezone (not GMT offset amount) in JS

Question

I need to determine the client timezone (e.g. CET, GMT, EST) in JS. Getting the offset is straightforward, but doesn\'t have all the info necessary to determine the TZ, at l

Answer 1

What I would do is determining the standard and daylight offset (which sounds like you already knew. If not, you can start with this reference http://onlineaspect.com/examples/timezone/detect_timezone.js by Josh Fraser). Determining the time zone can always be done on the server side once the standard and daylight offsets are known. A Ajax call can then be used so that no page refresh is ever needed. End result is you now have the time zone on the JavaScript side.