India Standard Time is 12 hours 30 minutes ahead of Pacific Time right now (until Oct 31, 2026); the gap changes to 13 hours 30 minutes when clocks change for daylight saving time. So 12:00 PM PDT = 12:30 AM (next day) IST at the moment. (Pacific Time is on PDT for daylight saving time right now.)
PST to IST conversion table
| PST | IST when PST is PDT | IST when PST is PST |
|---|---|---|
| 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 |
PST and IST difference through 2027
The gap between the two zones on each date range, including daylight saving time changes:
| Dates | Pacific Time | India Standard Time | Difference |
|---|---|---|---|
| Sep 30, 2026 – Oct 31, 2026 | PDT (UTC−7) | IST (UTC+5:30) | IST 12 hours 30 minutes ahead |
| Nov 1, 2026 – Mar 13, 2027 | PST (UTC−8) | IST (UTC+5:30) | IST 13 hours 30 minutes ahead |
| Mar 14, 2027 – Nov 6, 2027 | PDT (UTC−7) | IST (UTC+5:30) | IST 12 hours 30 minutes ahead |
| Nov 7, 2027 – Dec 31, 2027 | PST (UTC−8) | IST (UTC+5:30) | IST 13 hours 30 minutes ahead |
Best time to meet or call
- When IST is 12 hours 30 minutes ahead of PST: Standard 9 AM–5 PM working hours don't overlap. The best compromise is usually early morning in Pacific Time (8:00 AM–9:00 AM), which is 8:30 PM–9:30 PM in India Standard Time.
- When IST is 13 hours 30 minutes ahead of PST: Standard 9 AM–5 PM working hours don't overlap. The best compromise is usually early morning in Pacific Time (8:00 AM–9:00 AM), which is 9:30 PM–10:30 PM in India Standard Time.
About Pacific Time (PST)
Pacific Time uses PST (UTC−8) in winter and PDT (UTC−7) during daylight saving time. It's used in Los Angeles, San Francisco, San Diego, Seattle, Portland, Las Vegas and Vancouver.
About India Standard Time (IST)
India uses one time zone, IST (UTC+5:30), all year. India does not observe daylight saving time, so its difference from the US and UK changes when they change their clocks. It's used in all of India, including New Delhi, Mumbai, Bengaluru, Hyderabad, Chennai and Kolkata.
Frequently asked questions
What time is 12 PM PST in IST?
12:00 PM PDT is 12:30 AM (next day) IST right now (Sep 30, 2026 to Oct 31, 2026). The answer changes when either zone changes its clocks for daylight saving time.
How many hours ahead or behind is IST from PST?
Currently 12 hours 30 minutes ahead of PST. During the year the difference is 12 hours 30 minutes ahead of PST or 13 hours 30 minutes ahead of PST, depending on daylight saving time. See the table on this page for exact dates.
Does PST change for daylight saving time?
Yes. Pacific Time uses PST (UTC−8) in winter and PDT (UTC−7) during daylight saving time.
Does IST change for daylight saving time?
No. India uses one time zone, IST (UTC+5:30), all year. India does not observe daylight saving time, so its difference from the US and UK changes when they change their clocks.
What is the best time for a call between PST and IST?
Working hours don't overlap. Early morning in Pacific Time or evening in India Standard Time usually works best.
Is it PST or PDT right now?
Pacific Time uses PST in winter and PDT from the second Sunday in March to the first Sunday in November. The live clock on this page shows which one applies today.
More time zone conversions
- IST to PST (reverse)
- PST to EST
- PST to CST
- PST to MST
- EST to IST
- CST to IST
- GMT to IST
- UTC to IST
- PST to GMT
- All time zones
Sources
Reviewed by Gurmej Singh, Founder, Divy Digital Hub · Last reviewed: Wednesday, September 30, 2026. All calculations run in your browser. Editorial policy.