Convert NST to IRST — Time Difference Between Newfoundland Standard Time and Iran Standard Time

Drag the slider or click the time display to type a specific hour and instantly convert NST to IRSTIran Standard Time is 7 hours ahead of Newfoundland Standard Time. Scroll down to browse the full NST to IRST conversion table, check what time 9 AM, 10 AM, 11 AM, or 12 PM in St. John's is in Tehran, and use the date picker to compare times on any day for accurate scheduling.

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NST

Newfoundland Standard Time

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12am6am12pm6pm12am
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Iran Standard Time is 7 hours ahead of Newfoundland Standard Time

IRST

Iran Standard Time

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

Scan each row to find what time any hour in St. John's is in Tehran — 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.

NST (St. John's)IRST (Tehran)

How to Convert NST to IRST

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

Iran Standard Time (IRST) is 7 hours ahead of Newfoundland Standard Time (NST). To convert, add 7 hours — for example, 9:00 AM NST is 4:00 PM IRST.

What Time Is It Now in St. John's?

Loading current NST time...

What Time Is It Now in Tehran?

Loading current IRST time...

NST to IRST Quick Reference

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

NST to IRST Meeting Planner

Use the color-coded table above to find overlapping work hours between St. John's and Tehran. 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 NST to IRST 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.

Newfoundland Standard Time

Abbreviation
NST
UTC Offset
UTC-3:30
City
St. John's
Country
Canada

Iran Standard Time

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