Europe/Isle_of_Man. The standard UTC offset is UTC+0 in winter. During daylight saving time (summer), it becomes Western European Summer Time (WEST) at UTC+1.Europe/Isle_of_Man. Use this string in programming languages and APIs: JavaScript (`new Intl.DateTimeFormat('en-US', { timeZone: 'Europe/Isle_of_Man' })`), Python (`pytz.timezone('Europe/Isle_of_Man')`), or any IANA-compatible library.