Function tzName

pkgs/tz/src/tzName/index.ts:29–44

(
  timeZone: string,
  date: Date,
  format: TZNameFormat = "long",
)

 * @returns Time zone name (e.g. "Singapore Standard Time")
 */
export function tzName(
  timeZone: string,
  date: Date,
  format: TZNameFormat = "long",
): string {
  return new Intl.DateTimeFormat("en-US", {
    // Enforces engine to render the time. Without the option JavaScriptCore omits it.
    hour: "numeric",
    timeZone: timeZone,
    timeZoneName: format,
  })
    .format(date)
    .split(/\s/g) // Format.JS uses non-breaking spaces
    .slice(2) // Skip the hour and AM/PM parts
    .join(" ");
}