Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

Edmonton to Osaka

+15h

Edmonton

MDTSOURCE

Canada · UTC-06:00☀ DST active

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Osaka

JST

Japan · UTC+09:00

HH03

MM00

(next day)03:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Edmonton

Osaka

12:00 AM

3:00 PM

2:00 AM

5:00 PM

4:00 AM

7:00 PM

6:00 AM

9:00 PM

8:00 AM

11:00 PM

10:00 AM

1:00 AM+1

12:00 PM

3:00 AM+1

2:00 PM

5:00 AM+1

4:00 PM

7:00 AM+1

6:00 PM

9:00 AM+1

8:00 PM

11:00 AM+1

10:00 PM

1:00 PM+1

Green rows indicate typical business hours (9 AM - 5 PM)

MDT and JST on the World Map

The map below highlights the MDT (Mountain Standard Time) and JST (Japan Standard Time) timezone regions across the globe.

MDT Zone

→

JST Zone

Explore all world timezones interactively →

MST – Mountain Standard Time

UTC-07:00

Mountain Standard Time (MST) is the time zone for the Mountain region of North America, 7 hours behind UTC.

Countries in MST

United States (Mountain)Canada (Alberta)Mexico (Chihuahua, Sonora)

Major Cities in MST

DenverPhoenixSalt Lake CityCalgaryEdmontonAlbuquerqueEl PasoTucsonBoiseCiudad Juárez

Key Facts about MST

•Arizona does not observe daylight saving time, staying on MST year-round.
•The Navajo Nation in Arizona does observe DST, unlike the rest of the state.
•Denver, the 'Mile High City', is the largest city fully in MST.
•MST covers 6 US states entirely and parts of several others.

Daylight Saving:Yes – switches to MDT

Learn more about MST on Wikipedia

JST – Japan Standard Time

UTC+09:00

Japan Standard Time (JST) is the time zone for Japan, 9 hours ahead of UTC.

Countries in JST

Japan

Major Cities in JST

TokyoOsakaYokohamaNagoyaSapporoKyotoKobeFukuokaHiroshima

Key Facts about JST

•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.

Daylight Saving:No – UTC+09:00 year-round

Learn more about JST on Wikipedia

About Edmonton

Wikipedia

Edmonton operates on Mountain Time (MST/MDT), same as Denver. As Alberta's capital and an energy hub, Edmonton time aligns with Western Canadian markets.

Population:1 million

Metro:1.4 million

Business Hours:8:00 AM - 5:00 PM MST

Currency:CAD (C$)

Stock Exchange:N/A (Uses TSX)

Key Landmarks

West Edmonton MallFort Edmonton ParkArt Gallery of AlbertaMuttart ConservatoryRiver Valley

Did You Know?

The city has the most extensive urban parkland in North America.

Learn more about MDT timezone →

About Osaka

Wikipedia

Osaka operates on Japan Standard Time (JST), UTC+9. As Japan's second economic center and a manufacturing hub, Osaka shares business hours with Tokyo.

Population:2.8 million

Metro:19 million

Business Hours:9:00 AM - 6:00 PM JST

Currency:JPY (¥)

Stock Exchange:OSE (Osaka Exchange - derivatives)

Key Landmarks

Osaka CastleDotonboriUniversal Studios JapanShitennoji TempleUmeda Sky Building

Did You Know?

Osaka Castle was originally built in 1583 and has been rebuilt several times.

Learn more about JST timezone →

Comparing Time Zones: Edmonton and Osaka

Edmonton runs on Mountain Daylight Time (MDT) at UTC-06:00, currently observing daylight saving time. Osaka runs on Japan Standard Time (JST) at UTC+09:00. That puts Edmonton 15 hours ahead of Osaka — a difference of +15h at the current offsets.

In practice, when it is 9:00 AM in Edmonton it is 12:00 AM in Osaka on the next day. Midnight in Edmonton is 3:00 PM in Osaka.Edmonton observes daylight saving time while Osaka does not, so the gap narrows or widens by an hour part of the year.

Edmonton to Osaka time conversion table

Edmonton (MDT)	Osaka (JST)	Day
12:00 AM	3:00 PM	same day
6:00 AM	9:00 PM	same day
7:00 AM	10:00 PM	same day
8:00 AM	11:00 PM	same day
9:00 AM	12:00 AM	next day
12:00 PM	3:00 AM	next day
3:00 PM	6:00 AM	next day
5:00 PM	8:00 AM	next day
6:00 PM	9:00 AM	next day
9:00 PM	12:00 PM	next day

Why people convert Edmonton to Osaka time

Scheduling a call from Edmonton to Osaka: a 10:00 AM start in Edmonton lands at 1:00 AM in Osaka the next day, so you can confirm the slot without doing the arithmetic yourself.
Handling a +15h gap: Edmonton and Osaka 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 Osaka is 12:00 AM in Edmonton.
Keeping family and friends in sync: knowing that 8:00 PM in Edmonton is 11:00 AM in Osaka makes it easy to avoid calling at 3 AM.

Always state the zone abbreviation, not just the hour. "3:00 PM MDT" is unambiguous; "3 PM" across a +15h gap is not.
With a +15h gap there is no shared 9-to-5 window, so alternate the early start: one week Edmonton takes the early slot, the next week Osaka does.
Edmonton: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the +15h gap.

About MST (Mountain Standard Time)

Mountain Standard Time (MST) covers the Rocky Mountain region of the United States and Canada. Arizona is notable for not observing daylight saving time, staying on MST year-round (except the Navajo Nation). The time zone includes major cities like Denver, Phoenix, Calgary, and Salt Lake City. During summer, most areas switch to Mountain Daylight Time (MDT, UTC-06:00).

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.

Best time to call between Edmonton and Osaka

With a +15h offset there is no overlap inside a normal 9 AM – 5 PM day. Osaka opens at 9:00 AM JST, which is 12:00 AM in Edmonton, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

Edmonton and Osaka have no shared working hours because of the +15h gap. Teams need to alternate early starts or rely on asynchronous handovers.

Edmonton is 15 hours ahead of Osaka (MDT UTC-06:00 → JST 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

Edmonton

☀ Currently in DST

Standard: UTC-07:00 · DST: UTC-06:00

Clocks fall back on Sun, Nov 1, 2026

Osaka

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:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Edmonton and Osaka?

Edmonton (MDT, UTC-06:00) is 15 hours ahead of Osaka (JST, UTC+09:00). The gap is currently +15h.

How do I convert Edmonton time to Osaka time?

Add +15h to Edmonton local time. For example, 9:00 AM in Edmonton is 12:00 AM in Osaka (next day).

What time is it in Osaka right now?

Osaka uses JST at UTC+09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +15h offset from Edmonton.

What is the best time to call Osaka from Edmonton?

There is no shared working-hours window because of the +15h gap. The closest option is 1:00 PM in Edmonton, which is 4:00 AM in Osaka.

Which is ahead, Edmonton or Osaka?

Edmonton is 15 hours ahead of Osaka. When it is 12:00 PM in Edmonton it is 3:00 AM in Osaka.

Do Edmonton and Osaka use different time zones?

Edmonton (Canada) uses MDT at UTC-06:00, while Osaka (Japan) uses JST at UTC+09:00. The IANA identifiers are America/Edmonton and Asia/Tokyo.

Does daylight saving time affect the Edmonton–Osaka difference?

Yes at the moment: Edmonton is on daylight saving time and Osaka is not, so the +15h gap shifts by an hour when exactly one of them changes clocks.

Which other cities share Edmonton's time zone?

MDT also covers Denver, Phoenix, Salt Lake City, Calgary, Edmonton, Albuquerque, El Paso, Tucson and 2 more.

Which countries use MDT, Edmonton's zone?

MDT is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).

Is there a day difference between Edmonton and Osaka?

Sometimes. The +15h gap is large enough that 8:00 PM or later in Edmonton already falls on the next day in Osaka.

What is the time difference between Edmonton and Osaka?

Osaka is +15h from Edmonton.

What timezone is Edmonton in?

Edmonton operates on Mountain Time (MST/MDT), same as Denver. As Alberta's capital and an energy hub, Edmonton time aligns with Western Canadian markets.

What timezone is Osaka in?

Osaka operates on Japan Standard Time (JST), UTC+9. As Japan's second economic center and a manufacturing hub, Osaka shares business hours with Tokyo.

What are the business hours in Edmonton?

Standard business hours in Edmonton are 8:00 AM - 5:00 PM MST.

What are the business hours in Osaka?

Standard business hours in Osaka are 9:00 AM - 6:00 PM JST.

What is the best time to schedule a call between Edmonton and Osaka?

The best overlap for a call is when both cities are in business hours. Edmonton works 8:00 AM - 5:00 PM MST and Osaka works 9:00 AM - 6:00 PM JST (+15h difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Edmonton and Osaka?

Edmonton uses CAD (C$) while Osaka uses JPY (¥). Check current exchange rates when planning travel or business between these cities.

How do Edmonton and Osaka compare in size?

Edmonton has a population of approximately 1 million (metro: 1.4 million), while Osaka has approximately 2.8 million (metro: 19 million).

What are the major landmarks in Edmonton and Osaka?

Edmonton is known for West Edmonton Mall, Fort Edmonton Park, Art Gallery of Alberta. Osaka is famous for Osaka Castle, Dotonbori, Universal Studios Japan.

Do Edmonton and Osaka have stock exchanges?

Yes. Edmonton has the N/A (Uses TSX) and Osaka has the OSE (Osaka Exchange - derivatives). The +15h time difference affects trading hour overlaps between these exchanges.

Which countries use MST (Mountain Standard Time)?

MST is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).

Does MST observe daylight saving time?

Yes, MST switches to MDT during summer months.

What are some interesting facts about MST?

Arizona does not observe daylight saving time, staying on MST year-round. The Navajo Nation in Arizona does observe DST, unlike the rest of the state.