Asia/Vladivostok. The UTC offset is always UTC+10 — this timezone does not observe daylight saving time.Asia/Vladivostok. Use this string in programming languages and APIs: JavaScript (`new Intl.DateTimeFormat('en-US', { timeZone: 'Asia/Vladivostok' })`), Python (`pytz.timezone('Asia/Vladivostok')`), or any IANA-compatible library.