JST to Turkey
-6hJST
JSTSOURCETurkey
TRTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and TRT on the World Map
The map below highlights the JST (Japan Standard Time) and TRT (Turkey Time) timezone regions across the globe.
JST – Japan Standard Time
UTC+09:00Japan Standard Time (JST) is the time zone for Japan, 9 hours ahead of UTC.
- •Japan does not observe daylight saving time.
- •Tokyo is the most populous metropolitan area in the world.
- •The Tokyo Stock Exchange operates from 9:00 AM to 3:00 PM JST.
- •JST is 14 hours ahead of EST and 9 hours ahead of GMT.
TRT – Turkey Time
UTC+03:00Turkey Time (TRT, UTC+03:00) is the single time zone used across Turkey, fixed year round since 2016.
- •Turkey has used a permanent UTC+03:00 since September 2016.
- •TRT is level with Moscow Standard Time and Arabia Standard Time all year.
- •Because Turkey kept summer time permanently, western cities see very late winter sunrises.
- •Turkey previously observed daylight saving time from 1973 to 2016.
Comparing Time Zones: JST and Turkey
JST runs on Japan Standard Time (JST) at UTC+09:00. Turkey runs on Türkiye Standard Time (TRT) at UTC+03:00. That puts JST 6 hours behind Turkey — a difference of -6h at the current offsets.
In practice, when it is 9:00 AM in JST it is 3:00 AM in Turkey. Midnight in JST is 6:00 PM in Turkey. Neither zone observes daylight saving time, so the offset between them stays constant all year.
JST to Turkey time conversion table
| JST (JST) | Turkey (TRT) | Day |
|---|---|---|
| 12:00 AM | 6:00 PM | previous day |
| 6:00 AM | 12:00 AM | same day |
| 7:00 AM | 1:00 AM | same day |
| 8:00 AM | 2:00 AM | same day |
| 9:00 AM | 3:00 AM | same day |
| 12:00 PM | 6:00 AM | same day |
| 3:00 PM | 9:00 AM | same day |
| 5:00 PM | 11:00 AM | same day |
| 6:00 PM | 12:00 PM | same day |
| 9:00 PM | 3:00 PM | same day |
Why people convert JST to Turkey time
- Scheduling a call from JST to Turkey: a 10:00 AM start in JST lands at 4:00 AM in Turkey, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both JST and Turkey are inside the 9-to-5 working day between 3:00 PM and 5:00 PM JST time (9:00 AM–11:00 AM TRT). That is roughly 2 hours of usable overlap.
- Watching a live event or market open: JST viewers need 3:00 AM in Turkey to catch a 9:00 AM start there, and 6:00 AM if the event is anchored to JST.
- Always state the zone abbreviation, not just the hour. "3:00 PM JST" is unambiguous; "3 PM" across a -6h gap is not.
- Block 3:00 PM–5:00 PM JST as the recurring meeting window if you work primarily from JST and need Turkey colleagues present.
About JST (Japan Standard Time)
Japan Standard Time (JST) is the standard time zone for all of Japan. Japan does not observe daylight saving time. JST is 9 hours ahead of UTC and 14 hours ahead of EST. The Tokyo Stock Exchange, the world's third largest by market capitalization, operates on JST. South Korea uses the same offset (KST) but it is a distinct time zone.
About TRT (Turkey Time)
Turkey Time (TRT) is fixed at UTC+03:00 all year. Turkey abolished seasonal clock changes in September 2016, moving to a permanent UTC+03:00 so the whole country stays on what was formerly summer time. That leaves Istanbul, which sits close to 29°E, on an offset well ahead of its solar time — sunrise in mid-winter comes after 08:30 local. TRT shares its offset with Moscow Standard Time, Arabia Standard Time and East Africa Time, so Istanbul is level with Moscow and Riyadh all year and one hour ahead of Central European Time during the European winter.
Best time to call between JST and Turkey
Both JST and Turkey sit inside the 9 AM – 5 PM working day between 3:00 PM–5:00 PM JST, which is 9:00 AM–11:00 AM TRT. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
JST and Turkey overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
JST is 6 hours behind Turkey (JST UTC+09:00 → TRT UTC+03:00). The shared working window is 3:00 PM–5:00 PM JST. Remember to re-check around daylight-saving transitions.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between JST and Turkey?
JST (JST, UTC+09:00) is 6 hours behind Turkey (TRT, UTC+03:00). The gap is currently -6h.
How do I convert JST time to Turkey time?
Add -6h to JST local time. For example, 9:00 AM in JST is 3:00 AM in Turkey.
What time is it in Turkey right now?
Turkey uses TRT at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -6h offset from JST.
What is the best time to call Turkey from JST?
Call between 3:00 PM and 5:00 PM JST — that maps to 9:00 AM–11:00 AM TRT and keeps both parties inside the working day.
Which is behind, JST or Turkey?
JST is 6 hours behind Turkey. When it is 12:00 PM in JST it is 6:00 AM in Turkey.
Do JST and Turkey use different time zones?
JST uses JST at UTC+09:00, while Turkey (Turkey) uses TRT at UTC+03:00. The IANA identifiers are Asia/Tokyo and Europe/Istanbul.
Does daylight saving time affect the JST–Turkey difference?
Neither zone observes daylight saving time, so the -6h offset between JST and Turkey is fixed all year.
Which other cities share JST's time zone?
JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.
Which countries use JST, JST's zone?
JST is used in Japan.
Is there a day difference between JST and Turkey?
Not normally. The -6h gap only pushes the date over the previous day.
What is the time difference between JST and Turkey?
Turkey is -6h from JST.
What timezone is JST in?
JST operates on its local timezone.
What timezone is Turkey in?
Turkey operates on its local timezone.
Which countries use JST (Japan Standard Time)?
JST is used in Japan.
Does JST observe daylight saving time?
No, JST does not observe daylight saving time and remains at UTC+09:00 year-round.
What are some interesting facts about JST?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
Which cities are in the TRT timezone?
Major cities in the TRT timezone include Istanbul, Ankara, Izmir, Bursa, Antalya.
What is the UTC offset for TRT?
Turkey Time (TRT) is at UTC+03:00.
What should I know about the TRT timezone?
Turkey has used a permanent UTC+03:00 since September 2016. TRT is level with Moscow Standard Time and Arabia Standard Time all year.
When is it midnight in JST, what time is it in Turkey?
When it is 12:00 AM (midnight) in JST (JST), it is -6h later in Turkey (TRT).
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