MST to COT Converter & Meeting Planner
Quick answer: 9:00 AM MST = 11:00 AM COT (fixed -07:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Mountain Standard Time (MST) and Colombia Time (COT)? You need to account for the standard time difference. Colombia Time is normally 2 hours ahead of Mountain Standard Time. Whether you are coordinating between teams in Denver and Phoenix and Bogotá and Medellín, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM MST = 2:00 AM COT. The full 24-hour MST to COT table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM MST = 5:00 PM COT.
| MST Time | COT Time |
|---|---|
| 12:00 AM (00:00) | 2:00 AM (02:00) |
| 1:00 AM (01:00) | 3:00 AM (03:00) |
| 2:00 AM (02:00) | 4:00 AM (04:00) |
| 3:00 AM (03:00) | 5:00 AM (05:00) |
| 4:00 AM (04:00) | 6:00 AM (06:00) |
| 5:00 AM (05:00) | 7:00 AM (07:00) |
| 6:00 AM (06:00) | 8:00 AM (08:00) |
| 7:00 AM (07:00) | 9:00 AM (09:00) |
| 8:00 AM (08:00) | 10:00 AM (10:00) |
| 9:00 AM (09:00) | 11:00 AM (11:00) |
| 10:00 AM (10:00) | 12:00 PM (12:00) |
| 11:00 AM (11:00) | 1:00 PM (13:00) |
| 12:00 PM (12:00) | 2:00 PM (14:00) |
| 1:00 PM (13:00) | 3:00 PM (15:00) |
| 2:00 PM (14:00) | 4:00 PM (16:00) |
| 3:00 PM (15:00) | 5:00 PM (17:00) |
| 4:00 PM (16:00) | 6:00 PM (18:00) |
| 5:00 PM (17:00) | 7:00 PM (19:00) |
| 6:00 PM (18:00) | 8:00 PM (20:00) |
| 7:00 PM (19:00) | 9:00 PM (21:00) |
| 8:00 PM (20:00) | 10:00 PM (22:00) |
| 9:00 PM (21:00) | 11:00 PM (23:00) |
| 10:00 PM (22:00) | 12:00 AM (00:00)+1 day |
| 11:00 PM (23:00) | 1:00 AM (01:00)+1 day |
Best time to call Bogotá from Denver
For most work calls, compare the normal business day in Denver (MST) with the business day in Bogotá (COT). MST commonly covers North America, while COT is mainly associated with South America.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
✅ The most practical overlap on 2026-07-05 is usually 9:00 AM - 5:00 PM MST, which corresponds to 10:00 AM - 6:00 PM COT. This window sits inside the typical MST workday (9:00 AM - 5:00 PM) and the COT workday (9:00 AM - 6:00 PM).
- DST Safety: MST or COT may shift during Daylight Saving Time. Always confirm the converted time for your specific date.
- Colombia Stock Exchange (BVC): 09:30-16:00 local time in Bogotá.
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Frequently Asked Questions
What is the time difference between MST and COT?
During standard time, Colombia Time is 2 hours ahead of Mountain Standard Time.
Does Arizona observe Daylight Saving Time?
Most of Arizona — including Phoenix, Tucson, and the state government — does not observe Daylight Saving Time, remaining on MST (UTC-7) year-round under a state law in effect since 1968. The significant exception is the Navajo Nation, which spans parts of northeastern Arizona, Utah, and New Mexico and does observe DST, creating one of the most complex intrastate time zone situations in the United States.
What is the difference between MST and MDT?
MST (Mountain Standard Time) is the winter offset at UTC-7:00, observed from the first Sunday in November through the second Sunday in March. MDT (Mountain Daylight Time) is the summer offset at UTC-6:00, applied when most Mountain Time regions advance their clocks by one hour during Daylight Saving Time.
Does Colombia observe Daylight Saving Time?
Colombia does not observe Daylight Saving Time and has no current plans to do so. COT remains fixed at UTC-05:00 every day of the year, providing a consistent, unchanging reference point for international business and logistics.
How does Colombia Time (COT) align with the US?
COT (UTC-05:00) matches US Eastern Standard Time (EST) exactly during the Northern Hemisphere winter, creating zero offset between Bogotá and New York. During US Daylight Saving Time in summer, COT runs one hour behind Eastern Daylight Time (EDT, UTC-04:00), maintaining a gap narrow enough that a full shared workday remains easily achievable — one of the tightest nearshore alignments available from South America.