Japan to Romania
-6hJapan
JSTSOURCERomania
EESTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and EEST on the World Map
The map below highlights the JST (Japan Standard Time) and EEST (Eastern European 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.
EET – Eastern European Time
UTC+02:00Eastern European Time (EET) is used in Eastern Europe, the Middle East, and northeastern Africa, 2 hours ahead of UTC.
- •EET covers countries across three continents: Europe, Asia, and Africa.
- •Cairo is the most populous city in the EET zone.
- •Turkey used to be on EET but permanently moved to UTC+03:00 in 2016.
- •Finland, the Baltic states, and Greece all use EET.
Comparing Time Zones: Japan and Romania
Japan runs on Japan Standard Time (JST) at UTC+09:00. Romania runs on Eastern European Summer Time (EEST) at UTC+03:00, also currently on daylight saving time. That puts Japan 6 hours behind Romania — a difference of -6h at the current offsets.
In practice, when it is 9:00 AM in Japan it is 3:00 AM in Romania. Midnight in Japan is 6:00 PM in Romania.Romania observes daylight saving time while Japan does not, so the gap narrows or widens by an hour part of the year.
Japan to Romania time conversion table
| Japan (JST) | Romania (EEST) | 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 Japan to Romania time
- Scheduling a call from Japan to Romania: a 10:00 AM start in Japan lands at 4:00 AM in Romania, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Japan and Romania are inside the 9-to-5 working day between 3:00 PM and 5:00 PM JST time (9:00 AM–11:00 AM EEST). That is roughly 2 hours of usable overlap.
- Coordinating a Japan-based team with Romania contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- 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 Japan and need Romania colleagues present.
- Romania: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.
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 EET (Eastern European Time)
Eastern European Time (EET) covers a wide geographical area including Eastern Europe (Finland, Greece, Romania, Bulgaria, Ukraine), the Middle East (Israel, Lebanon, Jordan), and northeastern Africa (Egypt, Libya). During summer, most EET countries switch to Eastern European Summer Time (EEST, UTC+03:00). Turkey permanently moved to UTC+03:00 in 2016, effectively leaving EET.
Best time to call between Japan and Romania
Both Japan and Romania 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 EEST. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Japan and Romania overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
Japan is 6 hours behind Romania (JST UTC+09:00 → EEST UTC+03:00). The shared working window is 3:00 PM–5:00 PM JST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Japan
Does not observe DST
Romania
☀ Currently in DST
Standard: UTC+02:00 · DST: UTC+03:00
Clocks fall back on Sun, Oct 25, 2026
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 Japan and Romania?
Japan (JST, UTC+09:00) is 6 hours behind Romania (EEST, UTC+03:00). The gap is currently -6h.
How do I convert Japan time to Romania time?
Add -6h to Japan local time. For example, 9:00 AM in Japan is 3:00 AM in Romania.
What time is it in Romania right now?
Romania uses EEST 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 Japan.
What is the best time to call Romania from Japan?
Call between 3:00 PM and 5:00 PM JST — that maps to 9:00 AM–11:00 AM EEST and keeps both parties inside the working day.
Which is behind, Japan or Romania?
Japan is 6 hours behind Romania. When it is 12:00 PM in Japan it is 6:00 AM in Romania.
Do Japan and Romania use different time zones?
Japan (Japan) uses JST at UTC+09:00, while Romania (Romania) uses EEST at UTC+03:00. The IANA identifiers are Asia/Tokyo and Europe/Bucharest.
Does daylight saving time affect the Japan–Romania difference?
Yes at the moment: Romania is on daylight saving time and Japan is not, so the -6h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Japan's time zone?
JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.
Which countries use JST, Japan's zone?
JST is used in Japan.
Is there a day difference between Japan and Romania?
Not normally. The -6h gap only pushes the date over the previous day.
What is the time difference between Japan and Romania?
Romania is -6h from Japan.
What timezone is Japan in?
Japan operates on its local timezone.
What timezone is Romania in?
Romania 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 EET timezone?
Major cities in the EET timezone include Cairo, Athens, Helsinki, Bucharest, Kyiv, Sofia, Jerusalem, Tel Aviv.
What is the UTC offset for EET?
Eastern European Time (EET) is at UTC+02:00. During daylight saving time, it shifts to EEST.
What should I know about the EET timezone?
EET covers countries across three continents: Europe, Asia, and Africa. Cairo is the most populous city in the EET zone.
When is it midnight in Japan, what time is it in Romania?
When it is 12:00 AM (midnight) in Japan (JST), it is -6h later in Romania (EET).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Japan time conversions
- japan to tokyo
- japan to osaka
- japan to jst
- japan to new york
- japan to london
- japan to dubai
- japan to singapore
- japan to sydney
- japan to los angeles
- japan to paris
- japan to delhi
- japan to mumbai
- japan to berlin
- japan to hong kong
- japan to toronto
- japan to kathmandu
- new york to japan
- london to japan
- dubai to japan
- tokyo to japan
- singapore to japan
- sydney to japan
- los angeles to japan
- paris to japan
- delhi to japan
- mumbai to japan
- berlin to japan
- hong kong to japan
- toronto to japan
- kathmandu to japan
See every conversion from Japan →·See every conversion from Romania →