what best proceed detect store timezone fan web app in?


i have multi-timezone web concentration stores datetime values utc database, actions occur server, i simply modify utc.



however, fan enters time span, best proceed detect store it?



i am now doing following:




  1. get value date.gettimezoneoffset() (javascript)

  2. post server-side formula around icallbackeventhandler page.

  3. store value event

  4. on any unbroken request, calculate output/input datetime value controlling client's timezone.



regardless tangible implementation, seems an in-elegant solution. does anyone have improved method?



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