Pacific/Guadalcanal. The UTC offset is always UTC+11 — this timezone does not observe daylight saving time.Pacific/Guadalcanal. Use this string in programming languages and APIs: JavaScript (`new Intl.DateTimeFormat('en-US', { timeZone: 'Pacific/Guadalcanal' })`), Python (`pytz.timezone('Pacific/Guadalcanal')`), or any IANA-compatible library.