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IRST to EST Time Zone Converter — Time Difference Between Tehran and Toronto

Drag the slider or click the time display to type a specific hour and instantly convert IRST to EST. The time difference between Tehran and Toronto is 8:30 hours — Toronto (EST) is behind Tehran (IRST) (UTC+3:30 vs UTC-5:00); for example, 9:00 AM IRST = 12:30 AM EST; to convert, subtract 8:30 hours. Use this IRST to EST time zone converter to check the live current time in both cities, browse the 24-hour IRST to EST conversion table, plan international meetings, find the best overlap hours, and account for daylight saving time changes automatically.

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IRST

Iran Standard Time

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12am6am12pm6pm12am
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Eastern Standard Time is 8:30 hours behind Iran Standard Time

EST

Eastern Standard Time

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

Scan each row to convert any IRST time to EST and find the exact time difference between Tehran and Toronto hour by hour. Amber-highlighted rows mark standard daytime business hours, making it easy to spot overlapping work windows for scheduling international meetings or remote team calls. Tap the arrows to jump between days, click "Today" to reset, and all daylight saving time transitions are handled automatically.

IRST (Tehran)EST (Toronto)

What Time Is It Now in Tehran?

Live current local time in Tehran, Iran — IRST (UTC+3:30). Updates every second.

Loading current IRST time...

What Time Is It Now in Toronto?

Live current local time in Toronto, Canada — EST (UTC-5:00). Updates every second.

Loading current EST time...

IRST to EST Quick Reference

Common business hours in Tehran converted to Toronto local time — handy for scheduling video calls, client meetings, and international conference calls.

6:00 AM IRST 9:30 PM (previous day) EST
7:00 AM IRST 10:30 PM (previous day) EST
8:00 AM IRST 11:30 PM (previous day) EST
9:00 AM IRST 12:30 AM EST
10:00 AM IRST 1:30 AM EST
11:00 AM IRST 2:30 AM EST
12:00 PM IRST 3:30 AM EST
1:00 PM IRST 4:30 AM EST
2:00 PM IRST 5:30 AM EST
3:00 PM IRST 6:30 AM EST
4:00 PM IRST 7:30 AM EST
5:00 PM IRST 8:30 AM EST

IRST & EST Meeting Planner — Best Overlapping Hours

Use the color-coded conversion table above to find overlapping business hours between Tehran and Toronto. Amber rows mark standard daytime work hours (8 AM–6 PM local time) — pick a slot that falls in amber on both sides for a meeting time that works for everyone. Since IRST (UTC+3:30) is 8:30 hours behind EST (UTC-5:00), this time zone meeting planner is ideal for scheduling international calls, remote team standups, and cross-border project syncs.

Why Trust This Tehran to Toronto Time Zone Converter?

ConvertFlash uses the IANA Time Zone Database — the same authoritative source that powers your phone, browser, and every major operating system — so every Tehran to Toronto conversion handles daylight saving time transitions, half-hour UTC offsets, and historical time zone changes automatically. The live world clock updates every second, and the hour-by-hour conversion table regenerates correctly for any past or future date you select, making it reliable for both real-time checks and advance international scheduling.

IRST — Iran Standard Time

Tehran, Iran — UTC offset UTC+3:30

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

EST — Eastern Standard Time

Toronto, Canada — UTC offset UTC-5:00

Abbreviation
EST
UTC Offset
UTC-5:00
City
Toronto
Country
Canada