Shanghai to COT
-13hShanghai
CSTSOURCECOT
COTGreen rows indicate typical business hours (9 AM - 5 PM)
CST and COT on the World Map
The map below highlights the CST (China Standard Time) and COT (Colombia Time) timezone regions across the globe.
CST – China Standard Time
UTC+08:00China Standard Time (CST) covers all of mainland China, 8 hours ahead of UTC.
- •China uses a single time zone despite spanning 5 geographical zones.
- •In Xinjiang (western China), sunset can be as late as midnight in summer.
- •China abolished daylight saving time in 1991.
- •The Shanghai Stock Exchange operates on CST/Beijing Time.
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 Shanghai
WikipediaShanghai operates on China Standard Time (CST), UTC+8. As China's economic powerhouse and home to the SSE, Shanghai time is essential for global investors.
The Maglev train from Shanghai airport reaches 431 km/h, the fastest commercial train in the world.
Comparing Time Zones: Shanghai and COT
Shanghai runs on China Standard Time (CST) at UTC+08:00. COT runs on Colombia Time (COT) at UTC-05:00. That puts Shanghai 13 hours behind COT — a difference of -13h at the current offsets.
In practice, when it is 9:00 AM in Shanghai it is 8:00 PM in COT on the previous day. Midnight in Shanghai is 11:00 AM in COT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Shanghai to COT time conversion table
| Shanghai (CST) | COT (COT) | 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 Shanghai to COT time
- Scheduling a call from Shanghai to COT: a 10:00 AM start in Shanghai lands at 9:00 PM in COT the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -13h gap: Shanghai and COT 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 COT is 8:00 PM in Shanghai.
- Watching a live event or market open: Shanghai viewers need 8:00 PM in COT to catch a 9:00 AM start there, and 1:00 PM if the event is anchored to Shanghai.
- Always state the zone abbreviation, not just the hour. "3:00 PM CST" 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 Shanghai takes the early slot, the next week COT does.
About CST (China Standard Time)
China Standard Time (CST, also known as Beijing Time) is used across all of mainland China despite the country spanning five geographical time zones. This single-timezone policy was adopted in 1949. China does not observe daylight saving time. CST is shared with Hong Kong (HKT), Macau, Taiwan, Singapore, Malaysia, and the Philippines, making UTC+08:00 one of the most used offsets in the world.
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 Shanghai and COT
With a -13h offset there is no overlap inside a normal 9 AM – 5 PM day. COT opens at 9:00 AM COT, which is 8:00 PM in Shanghai, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Shanghai and COT have no shared working hours because of the -13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Shanghai is 13 hours behind COT (CST UTC+08:00 → 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 Shanghai and COT?
Shanghai (CST, UTC+08:00) is 13 hours behind COT (COT, UTC-05:00). The gap is currently -13h.
How do I convert Shanghai time to COT time?
Add -13h to Shanghai local time. For example, 9:00 AM in Shanghai is 8:00 PM in COT (previous day).
What time is it in COT right now?
COT 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 -13h offset from Shanghai.
What is the best time to call COT from Shanghai?
There is no shared working-hours window because of the -13h gap. The closest option is 1:00 PM in Shanghai, which is 12:00 AM in COT.
Which is behind, Shanghai or COT?
Shanghai is 13 hours behind COT. When it is 12:00 PM in Shanghai it is 11:00 PM in COT.
Do Shanghai and COT use different time zones?
Shanghai (China) uses CST at UTC+08:00, while COT uses COT at UTC-05:00. The IANA identifiers are Asia/Shanghai and America/Bogota.
Does daylight saving time affect the Shanghai–COT difference?
Neither zone observes daylight saving time, so the -13h offset between Shanghai and COT is fixed all year.
Which other cities share Shanghai's time zone?
CST also covers Shanghai, Beijing, Shenzhen, Guangzhou, Chengdu, Hong Kong, Taipei, Wuhan and 2 more.
Which countries use CST, Shanghai's zone?
CST is used in China, Hong Kong, Macau, Taiwan.
Is there a day difference between Shanghai and COT?
Sometimes. The -13h gap is large enough that 8:00 PM or later in Shanghai already falls on the in COT.
What is the time difference between Shanghai and COT?
COT is -13h from Shanghai.
What timezone is Shanghai in?
Shanghai operates on China Standard Time (CST), UTC+8. As China's economic powerhouse and home to the SSE, Shanghai time is essential for global investors.
What timezone is COT in?
COT operates on its local timezone.
What are the business hours in Shanghai?
Standard business hours in Shanghai are 9:00 AM - 6:00 PM CST.
Which countries use CST (China Standard Time)?
CST is used in China, Hong Kong, Macau, Taiwan.
Does CST observe daylight saving time?
No, CST does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about CST?
China uses a single time zone despite spanning 5 geographical zones. In Xinjiang (western China), sunset can be as late as midnight in summer.
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 Shanghai, what time is it in COT?
When it is 12:00 AM (midnight) in Shanghai (CST), it is -13h later in COT (COT).
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