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dateObject.getTimezoneOffset()
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<script type="text/javascript">
var d = new Date()
document.write(d.getTimezoneOffset()
)
</script>
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<script type="text/javascript">
var d = new Date()
var gmtHours = d.getTimezoneOffset()
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document.write("The local time zone is: GMT " + gmtHours)
</script>
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- getTimezoneOffset()
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