Convert IRST to IST — Time Difference Between Iran Standard Time and Israel Standard Time

Drag the slider or click the time display to type a specific hour and instantly convert IRST to ISTIsrael Standard Time is 1:30 hours behind Iran Standard Time. Scroll down to browse the full IRST to IST conversion table, check what time 9 AM, 10 AM, 11 AM, or 12 PM in Tehran is in Jerusalem, 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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Israel Standard Time is 1:30 hours behind Iran Standard Time

IST

Israel Standard Time

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IRST to IST Time Zone Difference — Hour-by-Hour Conversion Table

Scan each row to find what time any hour in Tehran is in Jerusalem — 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)IST (Jerusalem)

How to Convert IRST to IST

Drag the slider on the IRST timeline to pick your time — the IST 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 IST?

Israel Standard Time (IST) is 1:30 hours behind Iran Standard Time (IRST). To convert, subtract 1:30 hours — for example, 9:00 AM IRST is 7:30 AM IST.

What Time Is It Now in Tehran?

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What Time Is It Now in Jerusalem?

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IRST to IST Quick Reference

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

IRST to IST Meeting Planner

Use the color-coded table above to find overlapping work hours between Tehran and Jerusalem. 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 IST 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

Israel Standard Time

Abbreviation
IST
UTC Offset
UTC+2:00
City
Jerusalem
Country
Israel