JST to Toronto
-13hJST
JSTSOURCEToronto
EDTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and EDT on the World Map
The map below highlights the JST (Japan Standard Time) and EDT (Eastern Standard 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.
EST – Eastern Standard Time
UTC-05:00Eastern Standard Time (EST) is the time zone for the eastern United States and Canada, 5 hours behind UTC.
- •EST is the most widely used time zone in the United States by population.
- •The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
- •23 US states are fully or partially in the Eastern Time Zone.
- •EST was established by the Standard Time Act of 1918.
- •Over 47% of the US population lives in the Eastern Time Zone.
About Toronto
WikipediaToronto shares Eastern Time (EST/EDT) with New York. As Canada's largest city and financial center, Toronto's TSX is among North America's largest stock exchanges.
Toronto is the most multicultural city in the world - over 50% of residents were born outside Canada.
Time Conversion Guide: JST to Toronto
JST runs on Japan Standard Time (JST) at UTC+09:00. Toronto runs on Eastern Daylight Time (EDT) at UTC-04:00, also currently on daylight saving time. That puts JST 13 hours behind Toronto — a difference of -13h at the current offsets.
In practice, when it is 9:00 AM in JST it is 8:00 PM in Toronto on the previous day. Midnight in JST is 11:00 AM in Toronto.Toronto observes daylight saving time while JST does not, so the gap narrows or widens by an hour part of the year.
JST to Toronto time conversion table
| JST (JST) | Toronto (EDT) | Day |
|---|---|---|
| 12:00 AM | 11:00 AM | previous day |
| 6:00 AM | 5:00 PM | previous day |
| 7:00 AM | 6:00 PM | previous day |
| 8:00 AM | 7:00 PM | previous day |
| 9:00 AM | 8:00 PM | previous day |
| 12:00 PM | 11:00 PM | previous day |
| 3:00 PM | 2:00 AM | same day |
| 5:00 PM | 4:00 AM | same day |
| 6:00 PM | 5:00 AM | same day |
| 9:00 PM | 8:00 AM | same day |
Why people convert JST to Toronto time
- Scheduling a call from JST to Toronto: a 10:00 AM start in JST lands at 9:00 PM in Toronto the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -13h gap: JST and Toronto have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Toronto is 8:00 PM in JST.
- Keeping family and friends in sync: knowing that 8:00 PM in JST is 7:00 AM in Toronto makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM JST" is unambiguous; "3 PM" across a -13h gap is not.
- With a -13h gap there is no shared 9-to-5 window, so alternate the early start: one week JST takes the early slot, the next week Toronto does.
- Toronto: Clocks fall back on Sun, Nov 1, 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 EST (Eastern Standard Time)
Eastern Standard Time (EST) is observed during the winter months in the eastern part of North America. It covers 23 US states and parts of Canada including Ontario and Quebec. EST is the most populous time zone in the United States, home to major financial centers like New York City and global organizations headquartered in Washington D.C. During daylight saving time (March–November), clocks shift to Eastern Daylight Time (EDT, UTC-04:00). The time zone also covers parts of the Caribbean and Central America including Panama, Jamaica, and the Cayman Islands.
Best time to call between JST and Toronto
With a -13h offset there is no overlap inside a normal 9 AM – 5 PM day. Toronto opens at 9:00 AM EDT, which is 8:00 PM in JST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
JST and Toronto have no shared working hours because of the -13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
JST is 13 hours behind Toronto (JST UTC+09:00 → EDT UTC-04:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
JST
Does not observe DST
Toronto
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 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 JST and Toronto?
JST (JST, UTC+09:00) is 13 hours behind Toronto (EDT, UTC-04:00). The gap is currently -13h.
How do I convert JST time to Toronto time?
Add -13h to JST local time. For example, 9:00 AM in JST is 8:00 PM in Toronto (previous day).
What time is it in Toronto right now?
Toronto uses EDT at UTC-04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -13h offset from JST.
What is the best time to call Toronto from JST?
There is no shared working-hours window because of the -13h gap. The closest option is 1:00 PM in JST, which is 12:00 AM in Toronto.
Which is behind, JST or Toronto?
JST is 13 hours behind Toronto. When it is 12:00 PM in JST it is 11:00 PM in Toronto.
Do JST and Toronto use different time zones?
JST uses JST at UTC+09:00, while Toronto (Canada) uses EDT at UTC-04:00. The IANA identifiers are Asia/Tokyo and America/Toronto.
Does daylight saving time affect the JST–Toronto difference?
Yes at the moment: Toronto is on daylight saving time and JST is not, so the -13h gap shifts by an hour when exactly one of them changes clocks.
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 Toronto?
Sometimes. The -13h gap is large enough that 8:00 PM or later in JST already falls on the in Toronto.
What is the time difference between JST and Toronto?
Toronto is -13h from JST.
What timezone is JST in?
JST operates on its local timezone.
What timezone is Toronto in?
Toronto shares Eastern Time (EST/EDT) with New York. As Canada's largest city and financial center, Toronto's TSX is among North America's largest stock exchanges.
What are the business hours in Toronto?
Standard business hours in Toronto are 9:00 AM - 5:00 PM EST.
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 EST timezone?
Major cities in the EST timezone include New York City, Washington D.C., Miami, Toronto, Philadelphia, Atlanta, Boston, Montreal.
What is the UTC offset for EST?
Eastern Standard Time (EST) is at UTC-05:00. During daylight saving time, it shifts to EDT.
What should I know about the EST timezone?
EST is the most widely used time zone in the United States by population. The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
When is it midnight in JST, what time is it in Toronto?
When it is 12:00 AM (midnight) in JST (JST), it is -13h later in Toronto (EST).
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