VesperalbaConvert PST to IST
India is 13½ hours ahead of Pacific Standard Time and 12½ ahead of Pacific Daylight Time (March to November). Adding 12½ or 13½ hours usually lands on the next day in India.
Noon PST
12:00 PM PST = 12:30 AM IST
Other times of year: 1:30 AM IST (1 Nov–14 Mar).
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PST to IST, hour by hour
PDT → IST: 31 Oct–1 Nov, 14 Mar–30 Oct · PST → IST: 1 Nov–14 Mar
| PST | PDT → IST | PST → IST |
|---|---|---|
| 12:00 AM | 12:30 PM | 1:30 PM |
| 1:00 AM | 1:30 PM | 2:30 PM |
| 2:00 AM | 2:30 PM | 3:30 PM |
| 3:00 AM | 3:30 PM | 4:30 PM |
| 4:00 AM | 4:30 PM | 5:30 PM |
| 5:00 AM | 5:30 PM | 6:30 PM |
| 6:00 AM | 6:30 PM | 7:30 PM |
| 7:00 AM | 7:30 PM | 8:30 PM |
| 8:00 AM | 8:30 PM | 9:30 PM |
| 9:00 AM | 9:30 PM | 10:30 PM |
| 10:00 AM | 10:30 PM | 11:30 PM |
| 11:00 AM | 11:30 PM | 12:30 AM +1 day |
| 12:00 PM | 12:30 AM +1 day | 1:30 AM +1 day |
| 1:00 PM | 1:30 AM +1 day | 2:30 AM +1 day |
| 2:00 PM | 2:30 AM +1 day | 3:30 AM +1 day |
| 3:00 PM | 3:30 AM +1 day | 4:30 AM +1 day |
| 4:00 PM | 4:30 AM +1 day | 5:30 AM +1 day |
| 5:00 PM | 5:30 AM +1 day | 6:30 AM +1 day |
| 6:00 PM | 6:30 AM +1 day | 7:30 AM +1 day |
| 7:00 PM | 7:30 AM +1 day | 8:30 AM +1 day |
| 8:00 PM | 8:30 AM +1 day | 9:30 AM +1 day |
| 9:00 PM | 9:30 AM +1 day | 10:30 AM +1 day |
| 10:00 PM | 10:30 AM +1 day | 11:30 AM +1 day |
| 11:00 PM | 11:30 AM +1 day | 12:30 PM +1 day |
Daylight saving time: the next clock changes
- Los Angeles: Sun, 1 Nov 2026: at 2:00 AM clocks go back to 1:00 AM (PDT → PST, UTC−8); Sun, 14 Mar 2027: at 2:00 AM clocks go forward to 3:00 AM (PST → PDT, UTC−7)
- India: no clock changes (no daylight saving time).
Good to know
- 8:00 PM PST is 9:30 AM IST the next morning; 7:30 AM PDT is 8:00 PM IST the same day.
- Only California changes clocks here. India doesn’t use daylight saving time.
Questions
How many hours is IST ahead of PST?
12 hours 30 minutes for most of the year (IST). 13 hours 30 minutes ahead while it is IST (1 Nov–14 Mar).
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