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.

Osaka to Lagos

-8h

Osaka

JSTSOURCE

Japan · UTC+09:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Lagos

WAT

Nigeria · UTC+01:00

HH04

MM00

04:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Osaka

Lagos

12:00 AM

4:00 PM-1

2:00 AM

6:00 PM-1

4:00 AM

8:00 PM-1

6:00 AM

10:00 PM-1

8:00 AM

12:00 AM

10:00 AM

2:00 AM

12:00 PM

4:00 AM

2:00 PM

6:00 AM

4:00 PM

8:00 AM

6:00 PM

10:00 AM

8:00 PM

12:00 PM

10:00 PM

2:00 PM

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

JST and WAT on the World Map

The map below highlights the JST (Japan Standard Time) and WAT (West Africa Time) timezone regions across the globe.

JST Zone

→

WAT Zone

Explore all world timezones interactively →

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

WAT – West Africa Time

UTC+01:00

West Africa Time (WAT) is the time zone for West and Central Africa, 1 hour ahead of UTC.

Countries in WAT

NigeriaCameroonChadCongoAngolaNigerGabonEquatorial Guinea

Major Cities in WAT

LagosAbujaDoualaYaoundéLuandaKinshasaBrazzaville

Key Facts about WAT

•Lagos, Nigeria is the most populous city in Africa.
•WAT is the same offset as CET (UTC+01:00).
•Nigeria does not observe daylight saving time.

Daylight Saving:No – UTC+01:00 year-round

Learn more about WAT on Wikipedia

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 →

About Lagos

Wikipedia

Lagos operates on West Africa Time (WAT), UTC+1. As Africa's largest city and Nigeria's economic hub, Lagos is the center of African fintech innovation.

Population:15.4 million

Metro:21.3 million

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

Currency:NGN (₦)

Stock Exchange:NGX (Nigerian Exchange)

Key Landmarks

Nike Art GalleryLekki Conservation CentreNational MuseumTarkwa Bay BeachFreedom Park

Did You Know?

Lagos is one of the fastest-growing cities in the world and Africa's largest city.

Learn more about WAT timezone →

Everything You Need to Know About Osaka and Lagos Time

Osaka runs on Japan Standard Time (JST) at UTC+09:00. Lagos runs on West Africa Time (WAT) at UTC+01:00. That puts Osaka 8 hours behind Lagos — a difference of -8h at the current offsets.

In practice, when it is 9:00 AM in Osaka it is 1:00 AM in Lagos. Midnight in Osaka is 4:00 PM in Lagos. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Osaka to Lagos time conversion table

Osaka (JST)	Lagos (WAT)	Day
12:00 AM	4:00 PM	previous day
6:00 AM	10:00 PM	previous day
7:00 AM	11:00 PM	previous day
8:00 AM	12:00 AM	same day
9:00 AM	1:00 AM	same day
12:00 PM	4:00 AM	same day
3:00 PM	7:00 AM	same day
5:00 PM	9:00 AM	same day
6:00 PM	10:00 AM	same day
9:00 PM	1:00 PM	same day

Why people convert Osaka to Lagos time

Scheduling a call from Osaka to Lagos: a 10:00 AM start in Osaka lands at 2:00 AM in Lagos, so you can confirm the slot without doing the arithmetic yourself.
Handling a -8h gap: Osaka and Lagos 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 Lagos is 1:00 AM in Osaka.
Booking travel or deliveries: tracking Lagos local time against Osaka keeps pickup windows and arrival estimates honest across the -8h offset.

Always state the zone abbreviation, not just the hour. "3:00 PM JST" is unambiguous; "3 PM" across a -8h gap is not.
With a -8h gap there is no shared 9-to-5 window, so alternate the early start: one week Osaka takes the early slot, the next week Lagos does.

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 WAT (West Africa Time)

West Africa Time (WAT) is used across much of West and Central Africa, including Nigeria, the most populous country in Africa. WAT does not observe daylight saving time and shares the same offset as Central European Time (CET).

Best time to call between Osaka and Lagos

With a -8h offset there is no overlap inside a normal 9 AM – 5 PM day. Lagos opens at 9:00 AM WAT, which is 1:00 AM in Osaka, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

Osaka and Lagos have no shared working hours because of the -8h gap. Teams need to alternate early starts or rely on asynchronous handovers.

Osaka is 8 hours behind Lagos (JST UTC+09:00 → WAT UTC+01:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.

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 Osaka and Lagos?

Osaka (JST, UTC+09:00) is 8 hours behind Lagos (WAT, UTC+01:00). The gap is currently -8h.

How do I convert Osaka time to Lagos time?

Add -8h to Osaka local time. For example, 9:00 AM in Osaka is 1:00 AM in Lagos.

What time is it in Lagos right now?

Lagos uses WAT at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -8h offset from Osaka.

What is the best time to call Lagos from Osaka?

There is no shared working-hours window because of the -8h gap. The closest option is 1:00 PM in Osaka, which is 5:00 AM in Lagos.

Which is behind, Osaka or Lagos?

Osaka is 8 hours behind Lagos. When it is 12:00 PM in Osaka it is 4:00 AM in Lagos.

Do Osaka and Lagos use different time zones?

Osaka (Japan) uses JST at UTC+09:00, while Lagos (Nigeria) uses WAT at UTC+01:00. The IANA identifiers are Asia/Tokyo and Africa/Lagos.

Does daylight saving time affect the Osaka–Lagos difference?

Neither zone observes daylight saving time, so the -8h offset between Osaka and Lagos is fixed all year.

Which other cities share Osaka's time zone?

JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.

Which countries use JST, Osaka's zone?

JST is used in Japan.

Is there a day difference between Osaka and Lagos?

Not normally. The -8h gap only pushes the date over the previous day.

What is the time difference between Osaka and Lagos?

Lagos is -8h from Osaka.

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 timezone is Lagos in?

Lagos operates on West Africa Time (WAT), UTC+1. As Africa's largest city and Nigeria's economic hub, Lagos is the center of African fintech innovation.

What are the business hours in Osaka?

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

What are the business hours in Lagos?

Standard business hours in Lagos are 8:00 AM - 5:00 PM WAT.

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

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

What currencies are used in Osaka and Lagos?

Osaka uses JPY (¥) while Lagos uses NGN (₦). Check current exchange rates when planning travel or business between these cities.

How do Osaka and Lagos compare in size?

Osaka has a population of approximately 2.8 million (metro: 19 million), while Lagos has approximately 15.4 million (metro: 21.3 million).

What are the major landmarks in Osaka and Lagos?

Osaka is known for Osaka Castle, Dotonbori, Universal Studios Japan. Lagos is famous for Nike Art Gallery, Lekki Conservation Centre, National Museum.

Do Osaka and Lagos have stock exchanges?

Yes. Osaka has the OSE (Osaka Exchange - derivatives) and Lagos has the NGX (Nigerian Exchange). The -8h time difference affects trading hour overlaps between these exchanges.