NST to Colombia
-1h 30mNST
NSTSOURCEColombia
COTGreen rows indicate typical business hours (9 AM - 5 PM)
NST and COT on the World Map
The map below highlights the NST (Newfoundland Standard Time) and COT (Colombia Time) timezone regions across the globe.
NST – Newfoundland Standard Time
UTC-03:30Newfoundland Standard Time (NST) is a unique half-hour offset time zone in Canada, 3.5 hours behind UTC.
- •NST is one of only a few half-hour offset time zones in the world.
- •Newfoundland joined Canada in 1949 and kept its unique time zone.
- •St. John's is the easternmost city in North America.
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.
Comparing Time Zones: NST and Colombia
NST runs on Newfoundland Standard Time (NST) at UTC-03:30. Colombia runs on Colombia Standard Time (COT) at UTC-05:00. That puts NST 1 hour 30 minutes behind Colombia — a difference of -1h 30m at the current offsets.
In practice, when it is 9:00 AM in NST it is 7:30 AM in Colombia. Midnight in NST is 10:30 PM in Colombia. Neither zone observes daylight saving time, so the offset between them stays constant all year.
NST to Colombia time conversion table
| NST (NST) | Colombia (COT) | Day |
|---|---|---|
| 12:00 AM | 10:30 PM | previous day |
| 6:00 AM | 4:30 AM | same day |
| 7:00 AM | 5:30 AM | same day |
| 8:00 AM | 6:30 AM | same day |
| 9:00 AM | 7:30 AM | same day |
| 12:00 PM | 10:30 AM | same day |
| 3:00 PM | 1:30 PM | same day |
| 5:00 PM | 3:30 PM | same day |
| 6:00 PM | 4:30 PM | same day |
| 9:00 PM | 7:30 PM | same day |
Why people convert NST to Colombia time
- Scheduling a call from NST to Colombia: a 10:00 AM start in NST lands at 8:30 AM in Colombia, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both NST and Colombia are inside the 9-to-5 working day between 10:30 AM and 5:00 PM NST time (9:00 AM–3:30 PM COT). That is roughly 6 hours 30 minutes of usable overlap.
- Watching a live event or market open: NST viewers need 7:30 AM in Colombia to catch a 9:00 AM start there, and 1:30 AM if the event is anchored to NST.
- Always state the zone abbreviation, not just the hour. "3:00 PM NST" is unambiguous; "3 PM" across a -1h 30m gap is not.
- Block 10:30 AM–5:00 PM NST as the recurring meeting window if you work primarily from NST and need Colombia colleagues present.
About NST (Newfoundland Standard Time)
Newfoundland Standard Time (NST) is one of the few half-hour offset time zones in the world. It covers the island of Newfoundland in Canada and is 30 minutes ahead of Atlantic Standard Time. This unique offset exists because Newfoundland was an independent country until 1949.
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 NST and Colombia
Both NST and Colombia sit inside the 9 AM – 5 PM working day between 10:30 AM–5:00 PM NST, which is 9:00 AM–3:30 PM COT. That gives roughly 6 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
NST and Colombia share 6 hours of working-hours overlap (10:30 AM–5:00 PM NST), so scheduling a live meeting is straightforward.
NST is 1 hour 30 minutes behind Colombia (NST UTC-03:30 → COT UTC-05:00). The shared working window is 10:30 AM–5:00 PM NST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
NST
☀ Currently in DST
Standard: UTC-03:30 · DST: UTC-02:30
Clocks fall back on Sun, Nov 1, 2026
Colombia
Does not observe DST
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 NST and Colombia?
NST (NST, UTC-03:30) is 1 hour 30 minutes behind Colombia (COT, UTC-05:00). The gap is currently -1h 30m.
How do I convert NST time to Colombia time?
Add -1h 30m to NST local time. For example, 9:00 AM in NST is 7:30 AM in Colombia.
What time is it in Colombia right now?
Colombia 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 -1h 30m offset from NST.
What is the best time to call Colombia from NST?
Call between 10:30 AM and 5:00 PM NST — that maps to 9:00 AM–3:30 PM COT and keeps both parties inside the working day.
Which is behind, NST or Colombia?
NST is 1 hour 30 minutes behind Colombia. When it is 12:00 PM in NST it is 10:30 AM in Colombia.
Do NST and Colombia use different time zones?
NST uses NST at UTC-03:30, while Colombia (Colombia) uses COT at UTC-05:00. The IANA identifiers are America/St_Johns and America/Bogota.
Does daylight saving time affect the NST–Colombia difference?
Neither zone observes daylight saving time, so the -1h 30m offset between NST and Colombia is fixed all year.
Which other cities share NST's time zone?
NST also covers St. John's, Corner Brook, Mount Pearl.
Which countries use NST, NST's zone?
NST is used in Canada (Newfoundland).
Is there a day difference between NST and Colombia?
Not normally. The -1h 30m gap only pushes the date over the previous day.
What is the time difference between NST and Colombia?
Colombia is -1h 30m from NST.
What timezone is NST in?
NST operates on its local timezone.
What timezone is Colombia in?
Colombia operates on its local timezone.
Which countries use NST (Newfoundland Standard Time)?
NST is used in Canada (Newfoundland).
Does NST observe daylight saving time?
Yes, NST switches to NDT during summer months.
What are some interesting facts about NST?
NST is one of only a few half-hour offset time zones in the world. Newfoundland joined Canada in 1949 and kept its unique time zone.
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 NST, what time is it in Colombia?
When it is 12:00 AM (midnight) in NST (NST), it is -1h 30m later in Colombia (COT).
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