Is there a way to generate a date with a custom timezone such as UTC+2, UTC+3, UTC-12, etc without using string formats like 'America/New York' in JavaScript using moment.js? I have access to a list of timezones from the server in the format [UTC+2, UTC+3, UTC-12, etc] and I need to be able to create dates with a selected timezone. I attempted to utilize moment.js, but it only accepts string formats. Any suggestions for how to achieve this will be greatly appreciated. Thank you in advance!
I attempted to utilize the moment.js library but...
Have you explored these useful methods: .utc(), .add(), and .format() ?
In order to handle non-full hour offsets, you can utilize .match to extract the sign (+ or -), the hour, and optionally the minute of the offset.
Refer to the complete list of possible offsets here: Wikipedia
If your offset is only UTC or an empty string, the output will be in UTC time.
const timeOffsets = ["UTC+2", "UTC+3", "UTC-12", "UTC+5:45", "UTC-3:30", "UTC", ""]
function getlocalTime(offset) {
const time = offset.match(/([\+\-])(\d{1,2}):?(\d{2})?/)
let sign = ""
let numericOffset = 0
if (time) {
sign = time[1]
numericOffset = parseInt(time[2]) + (time[3] ? parseInt(time[3]) / 60 : 0)
}
return moment().utc().add(sign + numericOffset, "hours").format("YYYY-MM-DD HH:mm:ss")
}
const result = timeOffsets.map(getlocalTime)
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