Is UTC+9 the same as JST or KST?

Yes — both Japan Standard Time and Korea Standard Time equal UTC+9, and neither country observes daylight saving. The same offset also applies to Eastern Indonesia and East Timor.

Is UTC+9 the same as GMT+9?

Yes — both refer to 9 hours ahead of the zero meridian and are interchangeable. In code, prefer UTC.

Does UTC+9 observe daylight saving time?

No. Japan briefly used DST from 1948 to 1951, and South Korea ran it intermittently before abolishing it in 1988, but neither country uses it today. UTC+9 is stable year-round.

How do I convert UTC+9 to a Unix timestamp?

Subtract 9 hours from the wall-clock time to get UTC, then take the seconds since 1970-01-01 00:00 UTC. See the code examples above for one-liners.

UTC+9 Time

Current UTC+9 Time — UTC time 9, time in UTC 9, UTC 9 timezone

Live UTC time 9 clock — time in UTC 9. Live UTC+9 clock with the current Unix timestamp. UTC+9 covers Japan (JST) and South Korea (KST) — neither country observes daylight saving time at this offset.

Current Unix Timestamp

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seconds

Current time in UTC+9

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Source time

Enter the date and time you want to convert.

Target timezones

The same moment shown in each timezone.

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What time is it in UTC+9 right now?

The current UTC+9 time and matching Unix timestamp are shown live at the top of this page, updated every second. UTC+9 means the clock is 9 hours ahead of Coordinated Universal Time — when London (UTC+00) shows 12:00, UTC+9 shows 21:00 on the same date. Japan, South Korea, and Eastern Indonesia all stay on UTC+9 year-round with no daylight saving.

What countries use UTC+9?

UTC+9 covers Japan (JST — Japan Standard Time), South Korea (KST — Korea Standard Time), and Eastern Indonesia (WIT — Waktu Indonesia Timur). Neither Japan nor South Korea currently observes daylight saving time. Japan last used DST in 1951; South Korea abolished it in 1988.

Countries and regions on UTC+9

UTC+9 is the year-round offset for Japan, Korea, and Eastern Indonesia. No DST is observed in any of these regions.

Japan Standard Time (JST, Asia/Tokyo)
Korea Standard Time (KST, Asia/Seoul)
Eastern Indonesia Time (WIT, Asia/Jayapura)
East Timor (TLT, Asia/Dili)
Russia: Sakha Republic / Yakutsk uses UTC+9 (Asia/Yakutsk)

Why UTC+9 is bug-free for most users

Like UTC+8, UTC+9 has no daylight saving in any major jurisdiction, making it one of the simplest offsets in international software. Japan briefly experimented with DST from 1948–1951 but has not used it since.

No DST in JST/KST/WIT/TLT
Nine hours ahead of UTC
17 hours ahead of US Eastern Standard Time, 18 hours ahead of US Pacific

Convert UTC+9 to a Unix timestamp

Unix timestamps are zone-agnostic — the same instant has the same epoch value everywhere. To convert a UTC+9 wall-clock time, treat it as UTC and subtract 9 hours, or use a timezone-aware library that knows Asia/Tokyo or Asia/Seoul. Because UTC+9 has no DST, the conversion is the same every day of the year.

JavaScript: new Date("2026-05-28T21:00:00+09:00").getTime() / 1000
Python: datetime(2026,5,28,21,0,tzinfo=timezone(timedelta(hours=9))).timestamp()
Shell: TZ="Asia/Tokyo" date -d "2026-05-28 21:00" +%s

UTC+9 vs GMT+9 vs JST/KST

UTC+9 and GMT+9 refer to the same offset — 9 hours ahead of the zero meridian. JST (Japan Standard Time) and KST (Korea Standard Time) both equal UTC+9 and never observe daylight saving, so the offset is constant year-round. Use Asia/Tokyo or Asia/Seoul in IANA-aware code rather than the abbreviations, which historically were ambiguous.

UTC+9 ≡ GMT+9 — interchangeable
JST (Asia/Tokyo) and KST (Asia/Seoul) are both UTC+9, no DST
Eastern Indonesia (WIT, Asia/Jayapura) and East Timor (Asia/Dili) are also UTC+9

UTC+9 as a UTC offset from Universal Time

UTC+9 is a UTC offset of +9 hours from Universal Time (UTC) — the global reference time against which all timezone offsets are measured. Universal Time is maintained by atomic clocks and is the unambiguous baseline for international timekeeping. UTC+9 means that local clocks read exactly 9 hours ahead of Universal Time at any given instant.

Universal Time (UTC) → UTC+9: add 9 hours
UTC+9 → Universal Time: subtract 9 hours
UTC offset is the signed integer hours from Universal Time — written as UTC+9 here
The UTC+9 UTC offset is fixed and does not change with daylight saving in any major jurisdiction at this offset
Universal Time (UTC) is the modern atomic-clock standard that replaced GMT for scientific and software use
UTC time 9 — the live clock above shows the current UTC time 9
time in UTC 9 = UTC+9 clock reading at the same instant
UTC 9 timezone reference — UTC+9 is the IANA offset name

FAQ

What time is it in UTC+9 right now?: The live UTC+9 clock at the top of this page updates every second. Because UTC+9 has no daylight saving in any major jurisdiction, the offset is exactly 9 hours ahead of UTC year-round.
Is UTC+9 the same as JST or KST?: Yes — both Japan Standard Time and Korea Standard Time equal UTC+9, and neither country observes daylight saving. The same offset also applies to Eastern Indonesia and East Timor.
Is UTC+9 the same as GMT+9?: Yes — both refer to 9 hours ahead of the zero meridian and are interchangeable. In code, prefer UTC.
Does UTC+9 observe daylight saving time?: No. Japan briefly used DST from 1948 to 1951, and South Korea ran it intermittently before abolishing it in 1988, but neither country uses it today. UTC+9 is stable year-round.
How do I convert UTC+9 to a Unix timestamp?: Subtract 9 hours from the wall-clock time to get UTC, then take the seconds since 1970-01-01 00:00 UTC. See the code examples above for one-liners.