COT to IRT Time Converter

Convert Colombia Time to Iran Standard Time - Quick & Accurate

Bogotá (COT)
Tehran (IRT)
IRT is 8.5 hours ahead of COT

Quick Time Conversion

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

Current Time Right Now

Colombia Time
Iran Standard Time

Updates live every second

24-Hour Visual Comparison

COT (Bogotá)
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
11pm COT
12a6a12p6p12a
IRT (Tehran)
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
12am IRT
1am IRT
2am IRT
3am IRT
4am IRT
5am IRT
6am IRT
7am IRT
8am IRT
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 COT and IRT:

Best Window (COT)
9:00 AM - 12:00 PM
Which is (IRT)
18:00 AM - 21:00 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 COT to IRT Conversion Table

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

Colombia Time (COT)

UTC-5
UTC-5
Representative City:

Bogotá

IANA Identifier:

America/Bogota

Iran Standard Time (IRT)

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

Tehran

IANA Identifier:

Asia/Tehran

Quick Reference

Time Difference: IRT is 8.5 hours ahead of COT
Note: Time difference may vary during daylight saving transitions
UTC Offsets: COT = UTC-5, IRT = UTC+3:30 (IRST) / UTC+4:30 (IRDT)
2025 DST (North America): Starts March 9 at 2:00 AM, Ends November 2 at 2:00 AM

Frequently Asked Questions

IRT (Iran Standard Time) is 8.5 hours ahead of COT (Colombia Time). This means when it's 12:00 PM in Bogotá (COT), it's 8:30 PM in Tehran (IRT).

The best time to call from COT to IRT is during overlapping business hours. For COT callers, schedule between 9:00 AM - 12:00 PM COT 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. Colombia Time (UTC-5) and Iran Standard Time (UTC+3:30 (IRST) / UTC+4:30 (IRDT)) may have different DST schedules.

COT includes cities like Bogotá. IRT includes cities like Tehran. 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.