We’re developing a website, that will be used from people all over the world. There’s a chat section in the website and we want the messages to appear with a timestamp. I’m storing in a database a timestamp for each message.
What is the way to show the right time for each message to visitor, based on his local time.
I don’t want to ask the user for his timezone. Is there a way to do this, using only PHP? If not – what is the way to show the current time, based on the visitors’ current time, using javascript?
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Answer
You can make a educated guess on the users timezone with geo IP
http://php.net/manual/en/book.geoip.php
Or you can use javascript:
http://www.onlineaspect.com/2007/06/08/auto-detect-a-time-zone-with-javascript/