Saudi Arabia to COT
-8hSaudi Arabia
ASTSOURCECOT
COTGreen rows indicate typical business hours (9 AM - 5 PM)
AST and COT on the World Map
The map below highlights the AST (Arabia Standard Time) and COT (Colombia Time) timezone regions across the globe.
AST – Arabia Standard Time
UTC+03:00Arabia Standard Time (AST, UTC+03:00) is the time zone for Saudi Arabia and the other Gulf states of the Arabian peninsula.
- •None of the Gulf states on Arabia Standard Time observe daylight saving.
- •AST is the same offset as Moscow Standard Time and East Africa Time.
- •Riyadh is one hour ahead of Central European Time in winter.
- •The AST abbreviation is shared with Atlantic Standard Time (UTC-04:00).
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.
Saudi Arabia to COT Time Difference – Complete Guide
Saudi Arabia runs on Arabian Standard Time (AST) at UTC+03:00. COT runs on Colombia Time (COT) at UTC-05:00. That puts Saudi Arabia 8 hours behind COT — a difference of -8h at the current offsets.
In practice, when it is 9:00 AM in Saudi Arabia it is 1:00 AM in COT. Midnight in Saudi Arabia is 4:00 PM in COT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Saudi Arabia to COT time conversion table
| Saudi Arabia (AST) | COT (COT) | 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 Saudi Arabia to COT time
- Scheduling a call from Saudi Arabia to COT: a 10:00 AM start in Saudi Arabia lands at 2:00 AM in COT, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -8h gap: Saudi Arabia 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 1:00 AM in Saudi Arabia.
- Keeping family and friends in sync: knowing that 8:00 PM in Saudi Arabia is 12:00 PM in COT makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM AST" 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 Saudi Arabia takes the early slot, the next week COT does.
About AST (Arabia Standard Time)
Arabia Standard Time (AST) is fixed at UTC+03:00 all year across Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq and Yemen. None of these countries observes daylight saving time, so the offset never changes. The abbreviation collides with Atlantic Standard Time (UTC-04:00) used in eastern Canada and the Caribbean; this page covers the Arabian peninsula meaning. Arabia Standard Time is the same offset as Moscow Standard Time and East Africa Time, which makes scheduling with Europe straightforward — Riyadh is one hour ahead of Central European Time in winter and level with it during European summer 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.
Best time to call between Saudi Arabia and COT
With a -8h offset there is no overlap inside a normal 9 AM – 5 PM day. COT opens at 9:00 AM COT, which is 1:00 AM in Saudi Arabia, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Saudi Arabia and COT have no shared working hours because of the -8h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Saudi Arabia is 8 hours behind COT (AST UTC+03:00 → 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 Saudi Arabia and COT?
Saudi Arabia (AST, UTC+03:00) is 8 hours behind COT (COT, UTC-05:00). The gap is currently -8h.
How do I convert Saudi Arabia time to COT time?
Add -8h to Saudi Arabia local time. For example, 9:00 AM in Saudi Arabia is 1:00 AM in COT.
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 -8h offset from Saudi Arabia.
What is the best time to call COT from Saudi Arabia?
There is no shared working-hours window because of the -8h gap. The closest option is 1:00 PM in Saudi Arabia, which is 5:00 AM in COT.
Which is behind, Saudi Arabia or COT?
Saudi Arabia is 8 hours behind COT. When it is 12:00 PM in Saudi Arabia it is 4:00 AM in COT.
Do Saudi Arabia and COT use different time zones?
Saudi Arabia (Saudi Arabia) uses AST at UTC+03:00, while COT uses COT at UTC-05:00. The IANA identifiers are Asia/Riyadh and America/Bogota.
Does daylight saving time affect the Saudi Arabia–COT difference?
Neither zone observes daylight saving time, so the -8h offset between Saudi Arabia and COT is fixed all year.
Which other cities share Saudi Arabia's time zone?
AST also covers Riyadh, Jeddah, Doha, Kuwait City, Baghdad.
Which countries use AST, Saudi Arabia's zone?
AST is used in Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq, Yemen.
Is there a day difference between Saudi Arabia and COT?
Not normally. The -8h gap only pushes the date over the previous day.
What is the time difference between Saudi Arabia and COT?
COT is -8h from Saudi Arabia.
What timezone is Saudi Arabia in?
Saudi Arabia operates on its local timezone.
What timezone is COT in?
COT operates on its local timezone.
Which countries use AST (Arabia Standard Time)?
AST is used in Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq, Yemen.
Does AST observe daylight saving time?
No, AST does not observe daylight saving time and remains at UTC+03:00 year-round.
What are some interesting facts about AST?
None of the Gulf states on Arabia Standard Time observe daylight saving. AST is the same offset as Moscow Standard Time and East Africa 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 Saudi Arabia, what time is it in COT?
When it is 12:00 AM (midnight) in Saudi Arabia (AST), it is -8h later in COT (COT).
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