BuddyClock

IRST to PST

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

About this converter

Iran Standard Time (IRST)
UTC offset: +3:30 hours
Pacific Standard Time (PST)
UTC offset: -8 hours

IRST to PST Time Converter Chart

IRST TimePST Time
12:00 AM IRST12:30 PM PST
12:30 AM IRST1:00 PM PST
1:00 AM IRST1:30 PM PST
1:30 AM IRST2:00 PM PST
2:00 AM IRST2:30 PM PST
2:30 AM IRST3:00 PM PST
3:00 AM IRST3:30 PM PST
3:30 AM IRST4:00 PM PST
4:00 AM IRST4:30 PM PST
4:30 AM IRST5:00 PM PST
5:00 AM IRST5:30 PM PST
5:30 AM IRST6:00 PM PST
6:00 AM IRST6:30 PM PST
6:30 AM IRST7:00 PM PST
7:00 AM IRST7:30 PM PST
7:30 AM IRST8:00 PM PST
8:00 AM IRST8:30 PM PST
8:30 AM IRST9:00 PM PST
9:00 AM IRST9:30 PM PST
9:30 AM IRST10:00 PM PST
10:00 AM IRST10:30 PM PST
10:30 AM IRST11:00 PM PST
11:00 AM IRST11:30 PM PST
11:30 AM IRST12:00 AM PST
12:00 PM IRST12:30 AM PST
12:30 PM IRST1:00 AM PST
1:00 PM IRST1:30 AM PST
1:30 PM IRST2:00 AM PST
2:00 PM IRST2:30 AM PST
2:30 PM IRST3:00 AM PST
3:00 PM IRST3:30 AM PST
3:30 PM IRST4:00 AM PST
4:00 PM IRST4:30 AM PST
4:30 PM IRST5:00 AM PST
5:00 PM IRST5:30 AM PST
5:30 PM IRST6:00 AM PST
6:00 PM IRST6:30 AM PST
6:30 PM IRST7:00 AM PST
7:00 PM IRST7:30 AM PST
7:30 PM IRST8:00 AM PST
8:00 PM IRST8:30 AM PST
8:30 PM IRST9:00 AM PST
9:00 PM IRST9:30 AM PST
9:30 PM IRST10:00 AM PST
10:00 PM IRST10:30 AM PST
10:30 PM IRST11:00 AM PST
11:00 PM IRST11:30 AM PST
11:30 PM IRST12:00 PM PST

Frequently Asked Questions: IRST to PST

What is the time difference between IRST and PST?

Pacific Standard Time (PST) is 11.5 hours behind Iran Standard Time (IRST). When converting from IRST to PST, you need to subtract 11.5 hours to get the correct time.

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

When it's 12:00 PM (noon) in Iran Standard Time, it's 0.5:00 AM in Pacific Standard Time. This is because PST is 11.5 hours behind IRST.

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

When it's 12:00 AM (midnight) in Iran Standard Time, it's 0.5:00 PM in Pacific Standard Time.

What are the UTC offsets for IRST and PST?

Iran Standard Time (IRST) has a UTC offset of +3.5:00, while Pacific Standard Time (PST) has a UTC offset of -8:00.

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

Simply subtract 11.5 hours to the IRST time. For example, 3:00 PM IRST becomes 3.5:00 AM PST.

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

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 IRST. Use our converter to find the perfect time.

Do IRST and PST observe Daylight Saving Time?

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

What countries or regions use IRST?

Iran Standard Time (IRST) is used by various countries and regions around the world. The UTC offset of +3.5:00 is shared by multiple time zones.

What countries or regions use PST?

Pacific Standard Time (PST) is used by various countries and regions around the world. With a UTC offset of -8:00, this time zone covers multiple geographic areas.

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

Yes! Remember that PST is always 11.5 hours behind IRST. If it's noon in IRST, it's 0.5:00 AM in PST. Bookmark this page for quick reference!

Trading forex? Check our Forex Market Hours tool to see which markets are open right now — live in your local timezone.