Osaka to Colombia
-14hOsaka
JSTSOURCEColombia
COTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and COT on the World Map
The map below highlights the JST (Japan Standard Time) and COT (Colombia 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.
COT – Colombia Time
UTC-05:00Colombia Time (COT) is the standard time for Colombia, 5 hours behind UTC.
- •Colombia does not observe daylight saving time.
- •COT is the same offset as EST (UTC-05:00).
- •Bogotá sits at 2,640m elevation, making it one of the highest capital cities.
About Osaka
WikipediaOsaka operates on Japan Standard Time (JST), UTC+9. As Japan's second economic center and a manufacturing hub, Osaka shares business hours with Tokyo.
Osaka Castle was originally built in 1583 and has been rebuilt several times.
Everything You Need to Know About Osaka and Colombia Time
Osaka runs on Japan Standard Time (JST) at UTC+09:00. Colombia runs on Colombia Standard Time (COT) at UTC-05:00. That puts Osaka 14 hours behind Colombia — a difference of -14h at the current offsets.
In practice, when it is 9:00 AM in Osaka it is 7:00 PM in Colombia on the previous day. Midnight in Osaka is 10:00 AM in Colombia. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Osaka to Colombia time conversion table
| Osaka (JST) | Colombia (COT) | Day |
|---|---|---|
| 12:00 AM | 10:00 AM | previous day |
| 6:00 AM | 4:00 PM | previous day |
| 7:00 AM | 5:00 PM | previous day |
| 8:00 AM | 6:00 PM | previous day |
| 9:00 AM | 7:00 PM | previous day |
| 12:00 PM | 10:00 PM | previous day |
| 3:00 PM | 1:00 AM | same day |
| 5:00 PM | 3:00 AM | same day |
| 6:00 PM | 4:00 AM | same day |
| 9:00 PM | 7:00 AM | same day |
Why people convert Osaka to Colombia time
- Scheduling a call from Osaka to Colombia: a 10:00 AM start in Osaka lands at 8:00 PM in Colombia the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -14h gap: Osaka and Colombia 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 Colombia is 7:00 PM in Osaka.
- Booking travel or deliveries: tracking Colombia local time against Osaka keeps pickup windows and arrival estimates honest across the -14h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM JST" is unambiguous; "3 PM" across a -14h gap is not.
- With a -14h gap there is no shared 9-to-5 window, so alternate the early start: one week Osaka takes the early slot, the next week Colombia 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 COT (Colombia Time)
Colombia Time (COT) is used throughout Colombia. Colombia does not observe daylight saving time. COT shares the same offset as EST (UTC-05:00). Bogotá, the capital, is one of the largest cities in South America.
Best time to call between Osaka and Colombia
With a -14h offset there is no overlap inside a normal 9 AM – 5 PM day. Colombia opens at 9:00 AM COT, which is 7:00 PM in Osaka, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Osaka and Colombia have no shared working hours because of the -14h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Osaka is 14 hours behind Colombia (JST UTC+09:00 → COT UTC-05:00). 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:
Frequently Asked Questions
What is the time difference between Osaka and Colombia?
Osaka (JST, UTC+09:00) is 14 hours behind Colombia (COT, UTC-05:00). The gap is currently -14h.
How do I convert Osaka time to Colombia time?
Add -14h to Osaka local time. For example, 9:00 AM in Osaka is 7:00 PM in Colombia (previous day).
What time is it in Colombia right now?
Colombia uses COT at UTC-05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -14h offset from Osaka.
What is the best time to call Colombia from Osaka?
There is no shared working-hours window because of the -14h gap. The closest option is 1:00 PM in Osaka, which is 11:00 PM in Colombia.
Which is behind, Osaka or Colombia?
Osaka is 14 hours behind Colombia. When it is 12:00 PM in Osaka it is 10:00 PM in Colombia.
Do Osaka and Colombia use different time zones?
Osaka (Japan) uses JST at UTC+09:00, while Colombia (Colombia) uses COT at UTC-05:00. The IANA identifiers are Asia/Tokyo and America/Bogota.
Does daylight saving time affect the Osaka–Colombia difference?
Neither zone observes daylight saving time, so the -14h offset between Osaka and Colombia 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 Colombia?
Sometimes. The -14h gap is large enough that 8:00 PM or later in Osaka already falls on the in Colombia.
What is the time difference between Osaka and Colombia?
Colombia is -14h 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 Colombia in?
Colombia operates on its local timezone.
What are the business hours in Osaka?
Standard business hours in Osaka are 9:00 AM - 6:00 PM JST.
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 COT timezone?
Major cities in the COT timezone include Bogotá, Medellín, Cali, Barranquilla, Cartagena.
What is the UTC offset for COT?
Colombia Time (COT) is at UTC-05:00.
What should I know about the COT timezone?
Colombia does not observe daylight saving time. COT is the same offset as EST (UTC-05:00).
When is it midnight in Osaka, what time is it in Colombia?
When it is 12:00 AM (midnight) in Osaka (JST), it is -14h later in Colombia (COT).
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