How come I lose a day when attempting to convert a date to an ISO string in JavaScript?

I've been attempting to convert a date object to the ISOString() format, but it's consistently returning a result that is 1 day off (i.e., it subtracts 1 day).

var fromDate = { 
  day:4,
  month:5,
  year:2012
 }
 var fromDateString = new Date(fromDate.year+'-'+fromDate.month+'-'+fromDate.day)
 console.log(fromDateString.toISOString())

Answer №1

The reason for the timezone difference between new Date() and toISOString() is that new Date() reflects the current timezone, while toISOString() adheres to a standard timezone.

Answer №2

After much searching, I have discovered the ultimate solution for converting any date object into any desired format. Do you agree with my findings?

var dateObj = {
  day:2,
  month:5,
  year:2012
}
var date = new Date;
date.setFullYear(dateObj.year,dateObj.month-1,dateObj.day)
console.log(date)

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