Singapore to COT
-13hSingapore
SGTSOURCECOT
COTGreen rows indicate typical business hours (9 AM - 5 PM)
SGT and COT on the World Map
The map below highlights the SGT (Singapore Standard Time) and COT (Colombia Time) timezone regions across the globe.
SGT – Singapore Standard Time
UTC+08:00Singapore Standard Time (SGT) is the time zone for Singapore, 8 hours ahead of UTC.
- •Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00).
- •Singapore does not observe daylight saving time.
- •The Singapore Exchange (SGX) operates on SGT.
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 Singapore
WikipediaSingapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.
The city-state has the world's highest percentage of millionaires, with 1 in 6 households.
Understanding the -13h Gap: Singapore vs COT
Singapore runs on Singapore Standard Time (SGT) at UTC+08:00. COT runs on Colombia Time (COT) at UTC-05:00. That puts Singapore 13 hours behind COT — a difference of -13h at the current offsets.
In practice, when it is 9:00 AM in Singapore it is 8:00 PM in COT on the previous day. Midnight in Singapore is 11:00 AM in COT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Singapore to COT time conversion table
| Singapore (SGT) | 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 Singapore to COT time
- Scheduling a call from Singapore to COT: a 10:00 AM start in Singapore 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: Singapore 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 Singapore.
- Booking travel or deliveries: tracking COT local time against Singapore keeps pickup windows and arrival estimates honest across the -13h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM SGT" 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 Singapore takes the early slot, the next week COT does.
About SGT (Singapore Standard Time)
Singapore Standard Time (SGT) is used in Singapore year-round. Singapore does not observe daylight saving time. Despite being geographically close to the UTC+07:00 zone, Singapore uses UTC+08:00 to align with major trading partners like China, Hong Kong, and Malaysia. Singapore is a major global financial hub.
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 Singapore 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 Singapore, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Singapore and COT have no shared working hours because of the -13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Singapore is 13 hours behind COT (SGT 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 Singapore and COT?
Singapore (SGT, UTC+08:00) is 13 hours behind COT (COT, UTC-05:00). The gap is currently -13h.
How do I convert Singapore time to COT time?
Add -13h to Singapore local time. For example, 9:00 AM in Singapore 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 Singapore.
What is the best time to call COT from Singapore?
There is no shared working-hours window because of the -13h gap. The closest option is 1:00 PM in Singapore, which is 12:00 AM in COT.
Which is behind, Singapore or COT?
Singapore is 13 hours behind COT. When it is 12:00 PM in Singapore it is 11:00 PM in COT.
Do Singapore and COT use different time zones?
Singapore (Singapore) uses SGT at UTC+08:00, while COT uses COT at UTC-05:00. The IANA identifiers are Asia/Singapore and America/Bogota.
Does daylight saving time affect the Singapore–COT difference?
Neither zone observes daylight saving time, so the -13h offset between Singapore and COT is fixed all year.
Which other cities share Singapore's time zone?
SGT also covers Singapore.
Which countries use SGT, Singapore's zone?
SGT is used in Singapore.
Is there a day difference between Singapore and COT?
Sometimes. The -13h gap is large enough that 8:00 PM or later in Singapore already falls on the in COT.
What is the time difference between Singapore and COT?
COT is -13h from Singapore.
What timezone is Singapore in?
Singapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.
What timezone is COT in?
COT operates on its local timezone.
What are the business hours in Singapore?
Standard business hours in Singapore are 9:00 AM - 6:00 PM SGT.
Which countries use SGT (Singapore Standard Time)?
SGT is used in Singapore.
Does SGT observe daylight saving time?
No, SGT does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about SGT?
Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00). Singapore does not observe daylight saving time.
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 Singapore, what time is it in COT?
When it is 12:00 AM (midnight) in Singapore (SGT), it is -13h later in COT (COT).
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