Question 1

What is the time difference between IST and PST?

Accepted Answer

Pacific Standard Time (PST) is 13 hours and 30 minutes behind India Standard Time (IST). Use the conversion table above to see the exact time for each hour.

Question 2

How do I convert IST to PST?

Accepted Answer

To convert IST to PST, subtract 13 hours and 30 minutes from the IST time. For example, 9:00 AM IST is 7:30 PM PST.

Question 3

What time is it in PST when it's noon in IST?

Accepted Answer

When it's 12:00 PM (noon) in IST, it's 10:30 PM in PST. PST is 13 hours and 30 minutes behind IST.

Question 4

How many hours behind is PST from IST?

Accepted Answer

PST is 13 hours and 30 minutes behind IST. This means when it's 9:00 AM in IST, it's 7:30 PM in PST.

Question 5

Is PST ahead or behind IST?

Accepted Answer

PST is behind IST by 13 hours and 30 minutes. Clocks in PST show an earlier time than IST.

Question 6

Does IST observe daylight saving time?

Accepted Answer

No, India Standard Time does not observe daylight saving time. The UTC offset remains the same year-round.

Question 7

Does PST observe daylight saving time?

Accepted Answer

Yes, Pacific Standard Time observes daylight saving time. During DST, the abbreviation changes to PDT and clocks move forward by one hour.

Question 8

What is the best time to call from IST to PST?

Accepted Answer

The best time for a call between IST and PST is during overlapping business hours (9 AM – 5 PM) in both timezones. Check the color-coded conversion table above — green hours indicate business hours in both zones.

Question 9

When does daylight saving time change in PST?

Accepted Answer

Daylight saving time transitions vary by year and region. Pacific Standard Time observes DST, which typically shifts clocks forward by one hour in spring and back in fall. During DST transitions, the time difference between IST and PST may temporarily change. Check our DST change calendar for exact dates.

Question 10

Do IST and PST ever have the same time?

Accepted Answer

No, IST and PST never show the same time. However, because PST observes daylight saving time and IST does not, the time difference between them changes by one hour during DST transitions.

India Standard Time (IST)	Period	Pacific Standard Time (PST)	Period
12:00 AM	Night	10:30 AM-1d	Business
1:00 AM	Night	11:30 AM-1d	Business
2:00 AM	Night	12:30 PM-1d	Business
3:00 AM	Night	1:30 PM-1d	Business
4:00 AM	Night	2:30 PM-1d	Business
5:00 AM	Night	3:30 PM-1d	Business
6:00 AM	Morning	4:30 PM-1d	Business
7:00 AM	Morning	5:30 PM-1d	Business
8:00 AM	Morning	6:30 PM-1d	Evening
9:00 AM	Business	7:30 PM-1d	Evening
10:00 AM	Business	8:30 PM-1d	Evening
11:00 AM	Business	9:30 PM-1d	Evening
12:00 PM	Business	10:30 PM-1d	Evening
1:00 PM	Business	11:30 PM-1d	Evening
2:00 PM	Business	12:30 AM	Night
3:00 PM	Business	1:30 AM	Night
4:00 PM	Business	2:30 AM	Night
5:00 PM	Business	3:30 AM	Night
6:00 PM	Evening	4:30 AM	Night
7:00 PM	Evening	5:30 AM	Night
8:00 PM	Evening	6:30 AM	Morning
9:00 PM	Evening	7:30 AM	Morning
10:00 PM	Evening	8:30 AM	Morning
11:00 PM	Evening	9:30 AM	Business

IST to PST Converter

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IST to PST Conversion Table

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