BuddyClock

IST to IRST

Convert India Standard Time (IST) to Iran Standard Time (IRST) instantly. Free, fast and accurate time zone converter with real-time updates.

About this converter

India Standard Time (IST)
UTC offset: +5:30 hours
Iran Standard Time (IRST)
UTC offset: +3:30 hours

IST to IRST Time Converter Chart

IST TimeIRST Time
12:00 AM IST10:00 PM IRST
12:30 AM IST10:30 PM IRST
1:00 AM IST11:00 PM IRST
1:30 AM IST11:30 PM IRST
2:00 AM IST12:00 AM IRST
2:30 AM IST12:30 AM IRST
3:00 AM IST1:00 AM IRST
3:30 AM IST1:30 AM IRST
4:00 AM IST2:00 AM IRST
4:30 AM IST2:30 AM IRST
5:00 AM IST3:00 AM IRST
5:30 AM IST3:30 AM IRST
6:00 AM IST4:00 AM IRST
6:30 AM IST4:30 AM IRST
7:00 AM IST5:00 AM IRST
7:30 AM IST5:30 AM IRST
8:00 AM IST6:00 AM IRST
8:30 AM IST6:30 AM IRST
9:00 AM IST7:00 AM IRST
9:30 AM IST7:30 AM IRST
10:00 AM IST8:00 AM IRST
10:30 AM IST8:30 AM IRST
11:00 AM IST9:00 AM IRST
11:30 AM IST9:30 AM IRST
12:00 PM IST10:00 AM IRST
12:30 PM IST10:30 AM IRST
1:00 PM IST11:00 AM IRST
1:30 PM IST11:30 AM IRST
2:00 PM IST12:00 PM IRST
2:30 PM IST12:30 PM IRST
3:00 PM IST1:00 PM IRST
3:30 PM IST1:30 PM IRST
4:00 PM IST2:00 PM IRST
4:30 PM IST2:30 PM IRST
5:00 PM IST3:00 PM IRST
5:30 PM IST3:30 PM IRST
6:00 PM IST4:00 PM IRST
6:30 PM IST4:30 PM IRST
7:00 PM IST5:00 PM IRST
7:30 PM IST5:30 PM IRST
8:00 PM IST6:00 PM IRST
8:30 PM IST6:30 PM IRST
9:00 PM IST7:00 PM IRST
9:30 PM IST7:30 PM IRST
10:00 PM IST8:00 PM IRST
10:30 PM IST8:30 PM IRST
11:00 PM IST9:00 PM IRST
11:30 PM IST9:30 PM IRST

Frequently Asked Questions: IST to IRST

What is the time difference between IST and IRST?

Iran Standard Time (IRST) is 2 hours behind India Standard Time (IST). When converting from IST to IRST, you need to subtract 2 hours to get the correct time.

When it's 12:00 PM (noon) in IST, what time is it in IRST?

When it's 12:00 PM (noon) in India Standard Time, it's 10:00 AM in Iran Standard Time. This is because IRST is 2 hours behind IST.

When it's midnight in IST, what time is it in IRST?

When it's 12:00 AM (midnight) in India Standard Time, it's 10:00 PM in Iran Standard Time.

What are the UTC offsets for IST and IRST?

India Standard Time (IST) has a UTC offset of +5.5:00, while Iran Standard Time (IRST) has a UTC offset of +3.5:00.

How do I quickly convert IST to IRST in my head?

Simply subtract 2 hours to the IST time. For example, 3:00 PM IST becomes 1:00 PM IRST.

What is the best time to schedule a call between IST and IRST?

The best time depends on both parties' schedules. A common overlap during business hours (9 AM - 5 PM) would be when it's late afternoon in IST. Use our converter to find the perfect time.

Do IST and IRST observe Daylight Saving Time?

Daylight Saving Time (DST) observance varies by region. Some areas within India Standard Time and Iran Standard Time zones may observe DST, which can temporarily change the time difference by 1 hour.

What countries or regions use IST?

India Standard Time (IST) is used by various countries and regions around the world. The UTC offset of +5.5:00 is shared by multiple time zones.

What countries or regions use IRST?

Iran Standard Time (IRST) is used by various countries and regions around the world. With a UTC offset of +3.5:00, this time zone covers multiple geographic areas.

Is there an easy way to remember the IST to IRST time difference?

Yes! Remember that IRST is always 2 hours behind IST. If it's noon in IST, it's 10:00 AM in IRST. Bookmark this page for quick reference!

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