export type TimeZoneUtc = 'utc'; export type TimeZoneBrowser = 'browser'; export type TimeZone = TimeZoneBrowser | TimeZoneUtc | string; export interface TimeZoneOptions { /** * Specify this if you want to override the timeZone used when parsing or formatting * a date and time value. If no timeZone is set, the default timeZone for the current * user is used. */ timeZone?: TimeZone; }