Question 1

What is the time difference between GST and PST?

Accepted Answer

Pacific Standard Time (PST) is 12 hours behind Gulf Standard Time (GST). Use the conversion table above to see the exact time for each hour.

Question 2

How do I convert GST to PST?

Accepted Answer

To convert GST to PST, subtract 12 hours from the GST time. For example, 9:00 AM GST is 9:00 PM PST.

Question 3

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

Accepted Answer

When it's 12:00 PM (noon) in GST, it's 12:00 AM in PST. PST is 12 hours behind GST.

Question 4

How many hours behind is PST from GST?

Accepted Answer

PST is 12 hours behind GST. This means when it's 9:00 AM in GST, it's 9:00 PM in PST.

Question 5

Is PST ahead or behind GST?

Accepted Answer

PST is behind GST by 12 hours. Clocks in PST show an earlier time than GST.

Question 6

Does GST observe daylight saving time?

Accepted Answer

No, Gulf 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 GST to PST?

Accepted Answer

The best time for a call between GST 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 GST and PST may temporarily change. Check our DST change calendar for exact dates.

Question 10

Do GST and PST ever have the same time?

Accepted Answer

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

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

GST to PST Converter

Timezone Details

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GST to PST Conversion Table

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