IRT to COT Time Converter

Convert Iran Standard Time to Colombia Time - Quick & Accurate

Tehran (IRT)
Bogotá (COT)
COT is 8.5 hours behind IRT

Quick Time Conversion

Tehran
Iran Standard Time
UTC+3:30 (IRST) / UTC+4:30 (IRDT)
Bogotá
Colombia Time
UTC-5

Current Time Right Now

Iran Standard Time
Colombia Time

Updates live every second

24-Hour Visual Comparison

IRT (Tehran)
12am IRT
1am IRT
2am IRT
3am IRT
4am IRT
5am IRT
6am IRT
7am IRT
8am IRT
9am IRT
10am IRT
11am IRT
12pm IRT
1pm IRT
2pm IRT
3pm IRT
4pm IRT
5pm IRT
6pm IRT
7pm IRT
8pm IRT
9pm IRT
10pm IRT
11pm IRT
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COT (Bogotá)
4pm COT
5pm COT
6pm COT
7pm COT
8pm COT
9pm COT
10pm COT
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
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 IRT and COT:

Best Window (IRT)
12:00 PM - 5:00 PM
Which is (COT)
4:00 AM - 9:00 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 IRT to COT Conversion Table

IRT TimeCOT TimeContext
12:00 AM03:30 PM
Midnight IRT
01:00 AM04:30 PM
Late Night
02:00 AM05:30 PM
Late Night
03:00 AM06:30 PM
Late Night
04:00 AM07:30 PM
Late Night
05:00 AM08:30 PM
Late Night
06:00 AM09:30 PM
Early Morning IRT
07:00 AM10:30 PM
Night Time
08:00 AM11:30 PM
Night Time
09:00 AM12:30 AM
Work Starts IRT
10:00 AM01:30 AM
Night Time
11:00 AM02:30 AM
Night Time

Iran Standard Time (IRT)

UTC+3:30
UTC+3:30 (IRST) / UTC+4:30 (IRDT)
Representative City:

Tehran

IANA Identifier:

Asia/Tehran

Colombia Time (COT)

UTC-5
UTC-5
Representative City:

Bogotá

IANA Identifier:

America/Bogota

Quick Reference

Time Difference: COT is 8.5 hours behind IRT
Note: Time difference may vary during daylight saving transitions
UTC Offsets: IRT = UTC+3:30 (IRST) / UTC+4:30 (IRDT), 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 8.5 hours behind IRT (Iran Standard Time). This means when it's 12:00 PM in Tehran (IRT), it's 3:30 AM in Bogotá (COT).

The best time to call from IRT to COT is during overlapping business hours. For IRT callers, schedule between 12:00 PM - 5:00 PM IRT 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. Iran Standard Time (UTC+3:30 (IRST) / UTC+4:30 (IRDT)) and Colombia Time (UTC-5) may have different DST schedules.

IRT includes cities like Tehran. 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.