I have a specific string that reads "2024-09-19 14:20:45" in a designated time zone, which is "America/Los_Angeles." How would I go about converting this to a datetime string in a different time zone labeled as "timezone2," such as "America/New_York" (which is three hours ahead of Los Angeles) using JavaScript?
In JavaScript, how can I achieve the equivalent of "2024-09-19 17:20:45" for "America/New_York" in the scenario mentioned above?
Let's give Luxon a shot for better timezone handling in JavaScript
const convertTimeZone = (inputDateStr, fromTimeZone, toTimeZone) => {
const { DateTime } = luxon; // Using Luxon from the global object
// Parsing the date in the original time zone
const dateInFromZone = DateTime.fromFormat(inputDateStr, 'yyyy-MM-dd HH:mm:ss', {
zone: fromTimeZone
});
// Converting to the desired time zone
const dateInTargetZone = dateInFromZone.setZone(toTimeZone);
// Returning the formatted date in the target time zone
return dateInTargetZone.toFormat('yyyy-MM-dd HH:mm:ss');
};
const inputDateStr = "2024-09-19 14:20:45";
const timezoneLA = "America/Los_Angeles";
const timezoneNY = "America/New_York";
const timezoneTaipei = "Asia/Taipei";
console.log('Time in NY', convertTimeZone(inputDateStr, timezoneLA, timezoneNY));
console.log('Time in Taipei', convertTimeZone(inputDateStr, timezoneLA, timezoneTaipei))<script src="https://cdn.jsdelivr.net/npm/luxon@2/build/global/luxon.min.js"></script>let inputDateStr = "2023-08-12 09:30:15";
let timezone1 = "Asia/Tokyo";
let timezone2 = "Europe/London";
// Convert the input date string to a Date object in UTC, considering it's in timezone1
let dateInTokyo = new Date(`${inputDateStr} GMT`);
// Utilize Intl.DateTimeFormat to convert the date to timezone2
let options = {
timeZone: timezone2,
year: 'numeric',
month: '2-digit',
day: '2-digit',
hour: '2-digit',
minute: '2-digit',
second: '2-digit',
};
let dateFormatter = new Intl.DateTimeFormat('en-GB', options);
let parts = dateFormatter.formatToParts(dateInTokyo);
let formattedDate = `${parts[4].value}-${parts[0].value}-${parts[2].value} ${parts[6].value}:${parts[8].value}:${parts[10].value}`;
console.log(formattedDate); // Outputs "2023-08-12 05:30:15"This method involves:
new Date(): Parsing the string and assuming it's in UTC.
Intl.DateTimeFormat: Formatting the date according to the specified time zone, Europe/London.
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