Colombia to MDT
-1hColombia
COTSOURCEMDT
MDTGreen rows indicate typical business hours (9 AM - 5 PM)
COT and MDT on the World Map
The map below highlights the COT (Colombia Time) and MDT (Mountain Daylight 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.
MDT – Mountain Daylight Time
UTC-06:00Mountain Daylight Time (MDT) is the daylight saving offset in the Mountain Time Zone, 6 hours behind UTC.
- •MDT shares the same offset as CST (UTC-06:00).
- •Arizona does not switch to MDT, remaining on MST.
Everything You Need to Know About Colombia and MDT Time
Colombia runs on Colombia Standard Time (COT) at UTC-05:00. MDT runs on Mountain Daylight Time (MDT) at UTC-06:00. That puts Colombia 1 hour behind MDT — a difference of -1h at the current offsets.
In practice, when it is 9:00 AM in Colombia it is 8:00 AM in MDT. Midnight in Colombia is 11:00 PM in MDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Colombia to MDT time conversion table
| Colombia (COT) | MDT (MDT) | Day |
|---|---|---|
| 12:00 AM | 11:00 PM | previous day |
| 6:00 AM | 5:00 AM | same day |
| 7:00 AM | 6:00 AM | same day |
| 8:00 AM | 7:00 AM | same day |
| 9:00 AM | 8:00 AM | same day |
| 12:00 PM | 11:00 AM | same day |
| 3:00 PM | 2:00 PM | same day |
| 5:00 PM | 4:00 PM | same day |
| 6:00 PM | 5:00 PM | same day |
| 9:00 PM | 8:00 PM | same day |
Why people convert Colombia to MDT time
- Scheduling a call from Colombia to MDT: a 10:00 AM start in Colombia lands at 9:00 AM in MDT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Colombia and MDT are inside the 9-to-5 working day between 10:00 AM and 5:00 PM COT time (9:00 AM–4:00 PM MDT). That is roughly 7 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Colombia is 7:00 PM in MDT makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM COT" is unambiguous; "3 PM" across a -1h gap is not.
- Block 10:00 AM–5:00 PM COT as the recurring meeting window if you work primarily from Colombia and need MDT colleagues present.
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 MDT (Mountain Daylight Time)
Mountain Daylight Time (MDT) is observed during summer months in the Mountain Time Zone, except in Arizona which stays on MST year-round. MDT aligns with Central Standard Time (CST) at UTC-06:00.
Best time to call between Colombia and MDT
Both Colombia and MDT sit inside the 9 AM – 5 PM working day between 10:00 AM–5:00 PM COT, which is 9:00 AM–4:00 PM MDT. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Colombia and MDT share 7 hours of working-hours overlap (10:00 AM–5:00 PM COT), so scheduling a live meeting is straightforward.
Colombia is 1 hour behind MDT (COT UTC-05:00 → MDT UTC-06:00). The shared working window is 10:00 AM–5:00 PM COT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Colombia
Does not observe DST
MDT
☀ Currently in DST
Standard: UTC-07:00 · DST: UTC-06:00
Clocks fall back on Sun, Nov 1, 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 Colombia and MDT?
Colombia (COT, UTC-05:00) is 1 hour behind MDT (MDT, UTC-06:00). The gap is currently -1h.
How do I convert Colombia time to MDT time?
Add -1h to Colombia local time. For example, 9:00 AM in Colombia is 8:00 AM in MDT.
What time is it in MDT right now?
MDT uses MDT at UTC-06:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -1h offset from Colombia.
What is the best time to call MDT from Colombia?
Call between 10:00 AM and 5:00 PM COT — that maps to 9:00 AM–4:00 PM MDT and keeps both parties inside the working day.
Which is behind, Colombia or MDT?
Colombia is 1 hour behind MDT. When it is 12:00 PM in Colombia it is 11:00 AM in MDT.
Do Colombia and MDT use different time zones?
Colombia (Colombia) uses COT at UTC-05:00, while MDT uses MDT at UTC-06:00. The IANA identifiers are America/Bogota and America/Denver.
Does daylight saving time affect the Colombia–MDT difference?
Neither zone observes daylight saving time, so the -1h offset between Colombia and MDT is fixed all year.
Which other cities share Colombia's time zone?
COT also covers Bogotá, Medellín, Cali, Barranquilla, Cartagena.
Which countries use COT, Colombia's zone?
COT is used in Colombia.
Is there a day difference between Colombia and MDT?
Not normally. The -1h gap only pushes the date over the previous day.
What is the time difference between Colombia and MDT?
MDT is -1h from Colombia.
What timezone is Colombia in?
Colombia operates on its local timezone.
What timezone is MDT in?
MDT operates on its local timezone.
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 MDT timezone?
Major cities in the MDT timezone include Denver, Calgary, Edmonton, Salt Lake City, Boise.
What is the UTC offset for MDT?
Mountain Daylight Time (MDT) is at UTC-06:00. During daylight saving time, it shifts to MST.
What should I know about the MDT timezone?
MDT shares the same offset as CST (UTC-06:00). Arizona does not switch to MDT, remaining on MST.
When is it midnight in Colombia, what time is it in MDT?
When it is 12:00 AM (midnight) in Colombia (COT), it is -1h later in MDT (MDT).
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