Updated Mar 2026

Current Time in Japan

Q: What time is it in Japan right now?

Japan spans 1 timezone: JST. Use the live clocks on this page for the exact local time in each major city.

Q: How many timezones does Japan have?

Japan uses 1 timezone: JST. Not all regions observe daylight saving time on the same schedule.

Q: Does Japan observe daylight saving time?

DST rules vary by region within Japan. The live timezone badge next to each city clock on this page reflects the current offset — whether standard or daylight saving time is active right now.

Q: When is the best time to call someone in Japan?

Aim for 9:00 AM to 5:00 PM local time in the specific city you are calling. Because Japan spans 1 timezone, the right call window depends on the city, not just the country. Use the Best Time to Call calculator for an exact overlap window.

Live clocks for every Japan city — UTC offsets, DST status, and inter-city time gaps.

Tokyo, Japan

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JST No DST

Full Tokyo Details

Japan's Timezone System Explained

Japan operates on a single timezone year-round: Japan Standard Time (JST), set at UTC+9. There is no daylight saving time in Japan — clocks never change, and the country has not observed DST since 1952.

This makes Japan one of the world's most predictable timezones for international scheduling. All 47 prefectures — from Hokkaido in the north to Okinawa in the south — use JST without exception.

Key time differences from Tokyo: London (GMT) is 9 hours behind JST in winter, 8 hours behind during BST. New York (EST) is 14 hours behind JST. Los Angeles (PST) is 17 hours behind JST. Beijing and Singapore are 1 hour behind JST. Sydney (AEST) is 1 hour ahead in winter, on the same time during Australian DST. Dubai is 5 hours behind JST. Mumbai is 3.5 hours behind.

The Japan–US time difference is significant: Tokyo's business day (9 AM–6 PM JST) falls entirely within the previous calendar day for the US East Coast. A 9 AM Tokyo meeting is 8 PM EST the night before. This makes same-day overlap very limited — typically only the early morning hours in Japan align with any US business hours.

Japan Cities by Timezone

1 timezone · 20 cities · live times

JST

20 cities

Time differences may shift seasonally when cities observe different daylight saving schedules.

Reviewed by iFormat Time Tools Team Last updated Mar 7, 2026

Country timezone data, DST policies, and city assignments verified against the IANA Time Zone Database (tzdata). Updated whenever DST rules or political boundaries change.

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Frequently Asked Questions

Timezones, DST rules, and scheduling in Japan

What time is it in Japan right now?

Japan spans 1 timezone — JST — so there is no single answer. The live clocks above show the exact time in Tokyo, Yokohama, Osaka, Nagoya, Sapporo, Fukuoka.

How many timezones does Japan have?

Japan uses a single timezone: JST. The whole country follows the same clock year-round.

Does Japan observe daylight saving time?

No. Japan does not observe daylight saving time. The clock is fixed year-round — the timezone offset is the same in January and July.

What is the time difference between Japan and the US?

Tokyo (JST, UTC+9) is 14 hours ahead of New York (EST) in winter, 13 hours during US EDT. It is 17 hours ahead of Los Angeles (PST). Because Japan has no DST, the gap shifts only when the US changes clocks. A 9 AM Tokyo meeting falls at 7 PM EST the previous evening.

What is the time difference between Japan and the UK?

Tokyo (JST, UTC+9) is 9 hours ahead of London (GMT) in winter, and 8 hours ahead during British Summer Time. Since Japan has no DST, the gap changes only when the UK adjusts its clocks.

Does Japan observe daylight saving time?

No. Japan has not observed DST since 1952 and has no plans to reintroduce it. JST (UTC+9) is fixed year-round across the entire country — every city in Japan always shows the same time.

Is South Korea on the same time as Japan?

Yes. Seoul (KST, UTC+9) and Tokyo (JST, UTC+9) are always exactly the same time. Neither country observes DST, making this a permanent fixed gap of zero.

When is the best time to call someone in Japan?

Aim for 9:00 AM – 5:00 PM local time in the specific city. Because Japan spans 1 timezones, the overlap window from your location differs between cities. Open any city page above for its full scheduling guide.

How accurate are the live clocks on this page?

All clocks update every second using your browser's timezone engine with current DST rules applied automatically. The displayed times match the official local time in each city — no manual refresh needed.