To display a date in user's local time, use. To parse a date as UTC, append a Z - e.g.: new Date(''). The best practice should always be to store dates as UTC and make computations as UTC. String are sometimes parsed as UTC and sometimes as localtime (based on browser vendor and version). Surprisingly, the new Date() also supports the date parameters be passed as arguments, and we get the date object as output.The best string format for string parsing is the date ISO format together with the JavaScript Date object constructor.Įxamples of ISO format: YYYY-MM-DD or YYYY-MM-DDTHH:MM:SS.īut wait! Just using the "ISO format" doesn't work reliably by itself. Sometimes, if the date does not conform to the expected format, we will have to manually work it out by splitting the date string, extracting the values, and convert them to a date object. Split String and Convert It to Date in JavaScriptīoth the Date.parse() and the new Date() functions are designed based on the ISO 8601 extended date format.
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