ADT to COT Time Converter

Convert Atlantic Daylight Time to Colombia Time - Quick & Accurate

Halifax (ADT)
Bogotá (COT)
COT is 1 hours behind ADT

Quick Time Conversion

Halifax
Atlantic Daylight Time
UTC-3
Bogotá
Colombia Time
UTC-5

Current Time Right Now

Atlantic Daylight Time
Colombia Time

Updates live every second

24-Hour Visual Comparison

ADT (Halifax)
12am ADT
1am ADT
2am ADT
3am ADT
4am ADT
5am ADT
6am ADT
7am ADT
8am ADT
9am ADT
10am ADT
11am ADT
12pm ADT
1pm ADT
2pm ADT
3pm ADT
4pm ADT
5pm ADT
6pm ADT
7pm ADT
8pm ADT
9pm ADT
10pm ADT
11pm ADT
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COT (Bogotá)
11pm COT
12am COT
1am COT
2am COT
3am COT
4am COT
5am COT
6am COT
7am COT
8am COT
9am COT
10am COT
11am COT
12pm COT
1pm COT
2pm COT
3pm COT
4pm COT
5pm COT
6pm COT
7pm COT
8pm COT
9pm COT
10pm COT
Business Hours (9AM-5PM)
Evening (5PM-9PM)
Night (9PM-6AM)

Hover over any hour to see corresponding time in both zones

Best Time for Meeting/Call

To schedule a meeting between ADT and COT:

Best Window (ADT)
12:00 PM - 5:00 PM
Which is (COT)
113:00 AM - 16:00 PM
Both parties in business hours
Optimal overlap window
Ideal for international teams

Pro Tip: Schedule calls during the overlap window for optimal convenience for both time zones

Complete ADT to COT Conversion Table

ADT TimeCOT TimeContext
12:00 AM11:00 PM
Midnight ADT
01:00 AM12:00 AM
Late Night
02:00 AM01:00 AM
Late Night
03:00 AM02:00 AM
Late Night
04:00 AM03:00 AM
Late Night
05:00 AM04:00 AM
Late Night
06:00 AM05:00 AM
Early Morning ADT
07:00 AM06:00 AM
Night Time
08:00 AM07:00 AM
Night Time
09:00 AM08:00 AM
Work Starts ADT
10:00 AM09:00 AM
Night Time
11:00 AM10:00 AM
Night Time

Atlantic Daylight Time (ADT)

UTC-3
UTC-3
Representative City:

Halifax

IANA Identifier:

America/Halifax

Colombia Time (COT)

UTC-5
UTC-5
Representative City:

Bogotá

IANA Identifier:

America/Bogota

Quick Reference

Time Difference: COT is 1 hours behind ADT
Note: Time difference may vary during daylight saving transitions
UTC Offsets: ADT = UTC-3, COT = UTC-5
2025 DST (North America): Starts March 9 at 2:00 AM, Ends November 2 at 2:00 AM

Frequently Asked Questions

COT (Colombia Time) is 1 hours behind ADT (Atlantic Daylight Time). This means when it's 12:00 PM in Halifax (ADT), it's 11:00 AM in Bogotá (COT).

The best time to call from ADT to COT is during overlapping business hours. For ADT callers, schedule between 12:00 PM - 5:00 PM ADT to ensure both parties are within standard business hours.

The time difference may change during daylight saving transitions if one region observes DST while the other doesn't. Atlantic Daylight Time (UTC-3) and Colombia Time (UTC-5) may have different DST schedules.

ADT includes cities like Halifax. COT includes cities like Bogotá. Both time zones cover important business and cultural centers.

In 2025, DST in North America starts on March 9 at 2:00 AM and ends on November 2 at 2:00 AM. Other regions may have different DST schedules or not observe DST at all.