Zone & HourIST to PST Time Converter
PST is 13 hours and 30 minutes behind of IST.
IST: India Standard Time, UTC+05:30.
PST: Pacific Standard Time, UTC−08:00.
For a city that changes clocks, use the date-aware city converter.
Check the abbreviation before converting
IST can also mean Irish Standard Time (UTC+01:00) or Israel Standard Time (UTC+02:00). This page always uses India.
PST can also be used for Philippine Standard Time (UTC+08:00). Here it exclusively means Pacific Standard Time.
Convert a time
9:00 AM IST = 7:30 PM PST (previous day)
24-hour IST to PST conversion table
These are fixed-offset examples. They apply whenever the two abbreviations have the exact meanings stated above.
| IST · UTC+05:30 | PST · UTC−08:00 | Day |
|---|---|---|
| 12:00 AM | 10:30 AM | Previous day |
| 1:00 AM | 11:30 AM | Previous day |
| 2:00 AM | 12:30 PM | Previous day |
| 3:00 AM | 1:30 PM | Previous day |
| 4:00 AM | 2:30 PM | Previous day |
| 5:00 AM | 3:30 PM | Previous day |
| 6:00 AM | 4:30 PM | Previous day |
| 7:00 AM | 5:30 PM | Previous day |
| 8:00 AM | 6:30 PM | Previous day |
| 9:00 AM | 7:30 PM | Previous day |
| 10:00 AM | 8:30 PM | Previous day |
| 11:00 AM | 9:30 PM | Previous day |
| 12:00 PM | 10:30 PM | Previous day |
| 1:00 PM | 11:30 PM | Previous day |
| 2:00 PM | 12:30 AM | Same day |
| 3:00 PM | 1:30 AM | Same day |
| 4:00 PM | 2:30 AM | Same day |
| 5:00 PM | 3:30 AM | Same day |
| 6:00 PM | 4:30 AM | Same day |
| 7:00 PM | 5:30 AM | Same day |
| 8:00 PM | 6:30 AM | Same day |
| 9:00 PM | 7:30 AM | Same day |
| 10:00 PM | 8:30 AM | Same day |
| 11:00 PM | 9:30 AM | Same day |
What IST and PST mean
IST: India Standard Time
IST here means India Standard Time, UTC+05:30. India does not currently change clocks seasonally. A representative location is Kolkata / Mumbai, whose IANA identifier is Asia/Kolkata.
PST: Pacific Standard Time
This page uses North American PST, UTC−08:00. Los Angeles changes to PDT (UTC−07:00) during daylight saving. A representative location is Los Angeles in winter, whose IANA identifier is America/Los_Angeles.
Common conversion examples
- 6:00 AM IST becomes 4:30 PM PST on the previous day.
- 9:00 AM IST becomes 7:30 PM PST on the previous day.
- 12:00 PM IST becomes 10:30 PM PST on the previous day.
- 6:00 PM IST becomes 4:30 AM PST.
- 9:00 PM IST becomes 7:30 AM PST.
Frequently asked questions
Does this table change for daylight saving?
No. The offsets attached to these abbreviations stay fixed. A city may switch to a differently named abbreviation. IST is not a daylight-saving designation in the interpretation used here.
Should I put an abbreviation in a meeting invitation?
Use an IANA city time zone and a full date. Abbreviations are useful shorthand when everyone agrees on the meaning, but they do not carry the complete rules that a calendar needs for recurring events.
Why can the day change?
The difference is 810 minutes. Adding or subtracting that amount can move the destination time before midnight or beyond the end of the source day. The last column makes that change explicit.