Bogotá to Sydney
+15hBogotá
COTSOURCESydney
AESTGreen rows indicate typical business hours (9 AM - 5 PM)
COT and AEST on the World Map
The map below highlights the COT (Colombia Time) and AEST (Australian Eastern Standard Time) timezone regions across the globe.
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.
AEST – Australian Eastern Standard Time
UTC+10:00Australian Eastern Standard Time (AEST) covers eastern Australia, 10 hours ahead of UTC.
- •Queensland does not observe daylight saving time, staying on AEST year-round.
- •Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
- •The Australian Securities Exchange (ASX) operates on AEST/AEDT.
- •AEST is 15 hours ahead of EST during winter.
About Sydney
WikipediaSydney operates on Australian Eastern Standard Time (AEST/AEDT). As Australia's financial capital, Sydney opens global markets at the start of the business day.
Sydney is one of the first major cities to welcome the New Year.
Understanding the +15h Gap: Bogotá vs Sydney
Bogotá runs on Colombia Standard Time (COT) at UTC-05:00. Sydney runs on Australian Eastern Standard Time (AEST) at UTC+10:00. That puts Bogotá 15 hours ahead of Sydney — a difference of +15h at the current offsets.
In practice, when it is 9:00 AM in Bogotá it is 12:00 AM in Sydney on the next day. Midnight in Bogotá is 3:00 PM in Sydney. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Bogotá to Sydney time conversion table
| Bogotá (COT) | Sydney (AEST) | 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 Bogotá to Sydney time
- Scheduling a call from Bogotá to Sydney: a 10:00 AM start in Bogotá lands at 1:00 AM in Sydney the next day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +15h gap: Bogotá and Sydney 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 Sydney is 12:00 AM in Bogotá.
- Watching a live event or market open: Bogotá viewers need 12:00 AM in Sydney to catch a 9:00 AM start there, and 9:00 AM if the event is anchored to Bogotá.
- Always state the zone abbreviation, not just the hour. "3:00 PM COT" 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 Bogotá takes the early slot, the next week Sydney does.
- Sydney: Clocks spring forward on Sat, Oct 3, 2026. Any meeting series spanning that date will shift by an hour in local time.
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.
About AEST (Australian Eastern Standard Time)
Australian Eastern Standard Time (AEST) is used in the eastern states of Australia including New South Wales, Victoria, Queensland, Tasmania, and the ACT. During summer (October to April), NSW, VIC, TAS, and ACT switch to Australian Eastern Daylight Time (AEDT, UTC+11:00), while Queensland remains on AEST year-round.
Best time to call between Bogotá and Sydney
With a +15h offset there is no overlap inside a normal 9 AM – 5 PM day. Sydney opens at 9:00 AM AEST, which is 12:00 AM in Bogotá, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Bogotá and Sydney have no shared working hours because of the +15h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Bogotá is 15 hours ahead of Sydney (COT UTC-05:00 → AEST UTC+10:00). 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
Bogotá
Does not observe DST
Sydney
❄ Currently in Standard Time
Standard: UTC+10:00 · DST: UTC+11:00
Clocks spring forward on Sat, Oct 3, 2026
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 Bogotá and Sydney?
Bogotá (COT, UTC-05:00) is 15 hours ahead of Sydney (AEST, UTC+10:00). The gap is currently +15h.
How do I convert Bogotá time to Sydney time?
Add +15h to Bogotá local time. For example, 9:00 AM in Bogotá is 12:00 AM in Sydney (next day).
What time is it in Sydney right now?
Sydney uses AEST at UTC+10:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +15h offset from Bogotá.
What is the best time to call Sydney from Bogotá?
There is no shared working-hours window because of the +15h gap. The closest option is 1:00 PM in Bogotá, which is 4:00 AM in Sydney.
Which is ahead, Bogotá or Sydney?
Bogotá is 15 hours ahead of Sydney. When it is 12:00 PM in Bogotá it is 3:00 AM in Sydney.
Do Bogotá and Sydney use different time zones?
Bogotá (Colombia) uses COT at UTC-05:00, while Sydney (Australia) uses AEST at UTC+10:00. The IANA identifiers are America/Bogota and Australia/Sydney.
Does daylight saving time affect the Bogotá–Sydney difference?
Neither zone observes daylight saving time, so the +15h offset between Bogotá and Sydney is fixed all year.
Which other cities share Bogotá's time zone?
COT also covers Bogotá, Medellín, Cali, Barranquilla, Cartagena.
Which countries use COT, Bogotá's zone?
COT is used in Colombia.
Is there a day difference between Bogotá and Sydney?
Sometimes. The +15h gap is large enough that 8:00 PM or later in Bogotá already falls on the next day in Sydney.
What is the time difference between Bogotá and Sydney?
Sydney is +15h from Bogotá.
What timezone is Bogotá in?
Bogotá operates on its local timezone.
What timezone is Sydney in?
Sydney operates on Australian Eastern Standard Time (AEST/AEDT). As Australia's financial capital, Sydney opens global markets at the start of the business day.
What are the business hours in Sydney?
Standard business hours in Sydney are 9:00 AM - 5:00 PM AEST.
Which countries use COT (Colombia Time)?
COT is used in Colombia.
Does COT observe daylight saving time?
No, COT does not observe daylight saving time and remains at UTC-05:00 year-round.
What are some interesting facts about COT?
Colombia does not observe daylight saving time. COT is the same offset as EST (UTC-05:00).
Which cities are in the AEST timezone?
Major cities in the AEST timezone include Sydney, Melbourne, Brisbane, Canberra, Hobart, Gold Coast.
What is the UTC offset for AEST?
Australian Eastern Standard Time (AEST) is at UTC+10:00. During daylight saving time, it shifts to AEDT.
What should I know about the AEST timezone?
Queensland does not observe daylight saving time, staying on AEST year-round. Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
When is it midnight in Bogotá, what time is it in Sydney?
When it is 12:00 AM (midnight) in Bogotá (COT), it is +15h later in Sydney (AEST).
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