Where and When is IRST Observed?

Asia

Asian countries using IRST in the winter and IRDT in the summer:

  • Iran

Time zones by continent/region

  • Africa
  • Antarctica
  • Asia
  • Atlantic
  • Australia
  • Caribbean
  • Central America
  • Europe
  • Indian Ocean
  • Military
  • North America
  • Pacific
  • South America

See all Time zone abbreviations

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IRST time now

1:17:14 pm

Monday, September 1, 2025

  • UTC Offset: UTC +3:30
  • 7:30 hours ahead of Toronto
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Example cities

Iran – Tehran (Winter)

Related time zones

IRDT – Iran Daylight Time (Daylight Time)

Time Zone Map with DST

Time zone map

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