How to Create JavaScript Dates with a Specific Time Zone Without String Manipulation?

Creating Dates with a Specific Time Zone Without String Representation

When constructing a Date object using the JavaScript Date constructor, the resulting object will default to the current time zone, leading to potential discrepancies when serializing and deserializing dates between client and server. To address this issue, a better approach is to create dates with a specific time zone without resorting to using a string representation.

To achieve this, we can utilize the .setUTCHours() method. By setting the hours in UTC time, we can effectively create a Date object in the desired time zone. However, setting only the hours is insufficient. To obtain the correct date, we must also set the UTC date, month, and year.

For example:

const xiDate = new Date(); // Get the current date and time

const utcDate = new Date(
  Date.UTC(
    xiDate.getUTCFullYear(),
    xiDate.getUTCMonth(),
    xiDate.getUTCDate(),
    xiDate.getUTCHours(), // Set the hours in UTC time
    xiDate.getUTCMinutes(),
    xiDate.getUTCSeconds()
  )
);

Using this approach, we obtain a Date object in the desired time zone, ensuring consistency during serialization and deserialization.

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