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I have the following data for a timezone:

{

    "Id": "Pacific Standard Time",

    "DisplayName": "(UTC-08:00) Pacific Time (US & Canada)",

    "StandardName": "Pacific Standard Time",

    "DaylightName": "Pacific Daylight Time",

    "BaseUtcOffset": "-08:00:00",

    "AdjustmentRules": [{

        "DateStart": "0001-01-01T00:00:00Z",

        "DateEnd": "2006-12-31T00:00:00Z",

        "DaylightDelta": "01:00:00",

        "DaylightTransitionStart": {

            "TimeOfDay": "0001-01-01T02:00:00Z",

            "Month": 4,

            "Week": 1,

            "Day": 1,

            "DayOfWeek": 0,

            "IsFixedDateRule": false

        },

        "DaylightTransitionEnd": {

            "TimeOfDay": "0001-01-01T02:00:00Z",

            "Month": 10,

            "Week": 5,

            "Day": 1,

            "DayOfWeek": 0,

            "IsFixedDateRule": false

        },

        "BaseUtcOffsetDelta": "00:00:00"

    }, {

        "DateStart": "2007-01-01T00:00:00Z",

        "DateEnd": "9999-12-31T00:00:00Z",

        "DaylightDelta": "01:00:00",

        "DaylightTransitionStart": {

            "TimeOfDay": "0001-01-01T02:00:00Z",

            "Month": 3,

            "Week": 2,

            "Day": 1,

            "DayOfWeek": 0,

            "IsFixedDateRule": false

        },

        "DaylightTransitionEnd": {

            "TimeOfDay": "0001-01-01T02:00:00Z",

            "Month": 11,

            "Week": 1,

            "Day": 1,

            "DayOfWeek": 0,

            "IsFixedDateRule": false

        },

        "BaseUtcOffsetDelta": "00:00:00"

    }],

    "SupportsDaylightSavingTime": true

}

and the following date:

2019-01-05T07:30:07Z

Using moment, i'd like to convert this to my current locale which is

en-GB

How do i go about doing this with momentjs?

the problem seems to be that the date format i have is not compatible with moment.

I've prepared a jsfiddle with variables that i have access to:

http://jsfiddle.net/jimmyt1988/xe7ha5ms/1/

Your input is in ISO 8601 format recognized by moment. You can parse it using moment.tz:

The moment.tz constructor takes all the same arguments as the moment constructor, but uses the last argument as a time zone identifier.

then you can convert it to desired timezone using tz():

The moment#tz mutator will change the time zone and update the offset.

You can set locale on a moment object using locale() and then use format() to display value.

Here a code sample:

console.log(

  moment.tz('2019-01-05T07:30:07', 'America/Los_Angeles') // parse input in given tz

    .tz('Europe/London') // Convert moment to desired zone

    .locale('en-gb') // set en-gb locale

    .format('LLLL') // display result

);

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.23.0/moment-with-locales.min.js"></script>

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment-timezone/0.5.23/moment-timezone-with-data-2012-2022.min.js"></script>

Figured it out, by using the utcOffset method:

http://jsfiddle.net/jimmyt1988/xe7ha5ms/2/

moment("2019-01-05T07:30:07Z")

.utcOffset("-08:00:00")

.format("DD/MM/YYYY HH:mm:ss");