Convert IRST to ICT — Time Difference Between Iran Standard Time and Indochina Time

Drag the slider or click the time display to type a specific hour and instantly convert IRST to ICTIndochina Time is 3:30 hours ahead of Iran Standard Time. Scroll down to browse the full IRST to ICT conversion table, check what time 9 AM, 10 AM, 11 AM, or 12 PM in Tehran is in Ho Chi Minh City, and use the date picker to compare times on any day for accurate scheduling.

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IRST

Iran Standard Time

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12am6am12pm6pm12am
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Indochina Time is 3:30 hours ahead of Iran Standard Time

ICT

Indochina Time

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12am6am12pm6pm12am
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IRST to ICT Time Zone Difference — Hour-by-Hour Conversion Table

Scan each row to find what time any hour in Tehran is in Ho Chi Minh City — tap the arrows to jump between days, click "Today" to reset, and use the color-coded bands to quickly spot overlapping work hours, early mornings, and late nights at a glance.

IRST (Tehran)ICT (Ho Chi Minh City)

How to Convert IRST to ICT

Drag the slider on the IRST timeline to pick your time — the ICT time updates instantly. You can also click the time display to type a specific hour or pick one from the 15-minute interval dropdown, and use the date picker to check a different day.

What Is the Time Difference Between IRST and ICT?

Indochina Time (ICT) is 3:30 hours ahead of Iran Standard Time (IRST). To convert, add 3:30 hours — for example, 9:00 AM IRST is 12:30 PM ICT.

What Time Is It Now in Tehran?

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What Time Is It Now in Ho Chi Minh City?

Loading current ICT time...

IRST to ICT Quick Reference

6:00 AM IRST 9:30 AM ICT
7:00 AM IRST 10:30 AM ICT
8:00 AM IRST 11:30 AM ICT
9:00 AM IRST 12:30 PM ICT
10:00 AM IRST 1:30 PM ICT
11:00 AM IRST 2:30 PM ICT
12:00 PM IRST 3:30 PM ICT
1:00 PM IRST 4:30 PM ICT
2:00 PM IRST 5:30 PM ICT
3:00 PM IRST 6:30 PM ICT
4:00 PM IRST 7:30 PM ICT
5:00 PM IRST 8:30 PM ICT

IRST to ICT Meeting Planner

Use the color-coded table above to find overlapping work hours between Tehran and Ho Chi Minh City. Amber rows mark daytime hours — pick a slot that falls in amber on both sides for a meeting that works for everyone.

Why Trust This IRST to ICT Converter?

Timezoney uses the IANA Time Zone Database — the same source that powers your phone and computer — so every conversion handles daylight saving transitions and half-hour offsets automatically.

Iran Standard Time

Abbreviation
IRST
UTC Offset
UTC+3:30
City
Tehran
Country
Iran

Indochina Time

Abbreviation
ICT
UTC Offset
UTC+7:00
City
Ho Chi Minh City
Country
Vietnam