Toronto to Seoul
+13hToronto
EDTSOURCESeoul
KSTGreen rows indicate typical business hours (9 AM - 5 PM)
EDT and KST on the World Map
The map below highlights the EDT (Eastern Standard Time) and KST (Korea Standard Time) timezone regions across the globe.
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.
KST – Korea Standard Time
UTC+09:00Korea Standard Time (KST) is the time zone for South Korea, 9 hours ahead of UTC.
- •South Korea does not observe daylight saving time.
- •Seoul is home to Samsung, LG, and Hyundai headquarters.
- •KST is the same offset as JST (UTC+09:00).
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.
About Seoul
WikipediaSeoul operates on Korea Standard Time (KST), UTC+9, same as Japan. As a global tech and entertainment hub, Seoul coordinates with East Asian markets.
Seoul has the fastest average internet speed in the world.
Everything You Need to Know About Toronto and Seoul Time
Toronto runs on Eastern Daylight Time (EDT) at UTC-04:00, currently observing daylight saving time. Seoul runs on Korean Standard Time (KST) at UTC+09:00. That puts Toronto 13 hours ahead of Seoul — a difference of +13h at the current offsets.
In practice, when it is 9:00 AM in Toronto it is 10:00 PM in Seoul. Midnight in Toronto is 1:00 PM in Seoul.Toronto observes daylight saving time while Seoul does not, so the gap narrows or widens by an hour part of the year.
Toronto to Seoul time conversion table
| Toronto (EDT) | Seoul (KST) | Day |
|---|---|---|
| 12:00 AM | 1:00 PM | same day |
| 6:00 AM | 7:00 PM | same day |
| 7:00 AM | 8:00 PM | same day |
| 8:00 AM | 9:00 PM | same day |
| 9:00 AM | 10:00 PM | same day |
| 12:00 PM | 1:00 AM | next day |
| 3:00 PM | 4:00 AM | next day |
| 5:00 PM | 6:00 AM | next day |
| 6:00 PM | 7:00 AM | next day |
| 9:00 PM | 10:00 AM | next day |
Why people convert Toronto to Seoul time
- Scheduling a call from Toronto to Seoul: a 10:00 AM start in Toronto lands at 11:00 PM in Seoul, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +13h gap: Toronto and Seoul 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 Seoul is 10:00 PM in Toronto.
- Keeping family and friends in sync: knowing that 8:00 PM in Toronto is 9:00 AM in Seoul makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM EDT" 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 Toronto takes the early slot, the next week Seoul does.
- Toronto: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the +13h gap.
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.
About KST (Korea Standard Time)
Korea Standard Time (KST) is the time zone used in South Korea. It shares the same UTC offset as Japan Standard Time but is a distinct time zone. South Korea does not observe daylight saving time. Seoul, the capital, is a major global tech and business hub.
Best time to call between Toronto and Seoul
With a +13h offset there is no overlap inside a normal 9 AM – 5 PM day. Seoul opens at 9:00 AM KST, which is 10:00 PM in Toronto, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Toronto and Seoul have no shared working hours because of the +13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Toronto is 13 hours ahead of Seoul (EDT UTC-04:00 → KST UTC+09:00). 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
Toronto
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
Seoul
Does not observe DST
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 Toronto and Seoul?
Toronto (EDT, UTC-04:00) is 13 hours ahead of Seoul (KST, UTC+09:00). The gap is currently +13h.
How do I convert Toronto time to Seoul time?
Add +13h to Toronto local time. For example, 9:00 AM in Toronto is 10:00 PM in Seoul.
What time is it in Seoul right now?
Seoul uses KST at UTC+09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +13h offset from Toronto.
What is the best time to call Seoul from Toronto?
There is no shared working-hours window because of the +13h gap. The closest option is 1:00 PM in Toronto, which is 2:00 AM in Seoul.
Which is ahead, Toronto or Seoul?
Toronto is 13 hours ahead of Seoul. When it is 12:00 PM in Toronto it is 1:00 AM in Seoul.
Do Toronto and Seoul use different time zones?
Toronto (Canada) uses EDT at UTC-04:00, while Seoul (South Korea) uses KST at UTC+09:00. The IANA identifiers are America/Toronto and Asia/Seoul.
Does daylight saving time affect the Toronto–Seoul difference?
Yes at the moment: Toronto is on daylight saving time and Seoul is not, so the +13h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Toronto's time zone?
EDT also covers New York City, Washington D.C., Miami, Toronto, Philadelphia, Atlanta, Boston, Montreal and 8 more.
Which countries use EDT, Toronto's zone?
EDT is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, Haiti, Bahamas and 4 more.
Is there a day difference between Toronto and Seoul?
Sometimes. The +13h gap is large enough that 8:00 PM or later in Toronto already falls on the next day in Seoul.
What is the time difference between Toronto and Seoul?
Seoul is +13h from Toronto.
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 timezone is Seoul in?
Seoul operates on Korea Standard Time (KST), UTC+9, same as Japan. As a global tech and entertainment hub, Seoul coordinates with East Asian markets.
What are the business hours in Toronto?
Standard business hours in Toronto are 9:00 AM - 5:00 PM EST.
What are the business hours in Seoul?
Standard business hours in Seoul are 9:00 AM - 6:00 PM KST.
What is the best time to schedule a call between Toronto and Seoul?
The best overlap for a call is when both cities are in business hours. Toronto works 9:00 AM - 5:00 PM EST and Seoul works 9:00 AM - 6:00 PM KST (+13h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Toronto and Seoul?
Toronto uses CAD (C$) while Seoul uses KRW (₩). Check current exchange rates when planning travel or business between these cities.
How do Toronto and Seoul compare in size?
Toronto has a population of approximately 2.9 million (metro: 6.3 million), while Seoul has approximately 9.7 million (metro: 25.5 million).
What are the major landmarks in Toronto and Seoul?
Toronto is known for CN Tower, Royal Ontario Museum, Ripley's Aquarium. Seoul is famous for Gyeongbokgung Palace, N Seoul Tower, Bukchon Hanok Village.
Do Toronto and Seoul have stock exchanges?
Yes. Toronto has the TSX (Toronto Stock Exchange) and Seoul has the KRX (Korea Exchange). The +13h time difference affects trading hour overlaps between these exchanges.
Which countries use EST (Eastern Standard Time)?
EST is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, and 6 more countries.
Does EST observe daylight saving time?
Yes, EST switches to EDT during summer months.
What are some interesting facts about EST?
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.
Which cities are in the KST timezone?
Major cities in the KST timezone include Seoul, Busan, Incheon, Daegu, Daejeon, Pyongyang.
What is the UTC offset for KST?
Korea Standard Time (KST) is at UTC+09:00.
What should I know about the KST timezone?
South Korea does not observe daylight saving time. Seoul is home to Samsung, LG, and Hyundai headquarters.
When is it midnight in Toronto, what time is it in Seoul?
When it is 12:00 AM (midnight) in Toronto (EST), it is +13h later in Seoul (KST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Toronto time conversions
- toronto to vancouver
- toronto to edmonton
- toronto to halifax
- toronto to new york
- toronto to los angeles
- toronto to chicago
- toronto to denver
- toronto to mexico city
- toronto to sao paulo
- toronto to buenos aires
- toronto to bogota
- toronto to lima
- toronto to santiago
- toronto to anchorage
- toronto to london
- toronto to dubai
- toronto to tokyo
- toronto to singapore
- toronto to sydney
- toronto to paris
- toronto to delhi
- toronto to mumbai
- toronto to berlin
- toronto to hong kong
- toronto to kathmandu
- new york to toronto
- london to toronto
- dubai to toronto
- tokyo to toronto
- singapore to toronto
- sydney to toronto
- los angeles to toronto
- paris to toronto
- delhi to toronto
- mumbai to toronto
- berlin to toronto
See every conversion from Toronto →·See every conversion from Seoul →