Us Time Handle
let newDate ; // 1. Determine User's Time Zone (if possible) if ( langCode ) { try { newDate = moment . utc ( date ). tz ( langCode ); } catch ( error ) { console . error ( "Error converting date to user's time zone:" , error ); // Handle the error (e.g., use UTC time or display an error message) } } else { // 2. Handle Unknown Time Zone (improved heuristic) const offset = moment . utc ( date ). utcOffset () / 60 ; // Get UTC offset in hours // Consider a mapping of offsets to time zones (replace with your data) const timeZoneMapping = { '-4' : 'US/Eastern' , // Eastern Time (DST) '-7' : 'US/Pacific' , // Pacific Time (DST) // Add other time zones as needed }; const potentialTimeZone = timeZoneMapping [ offset . toString ()]; if ( potentialTimeZone ) { newDate = moment . utc ( date ). tz ( potentialTimeZone ); } else { // Handle cases where no matching offset