PST to IST Converter

Convert Pacific Standard Time (PST) to Indian Standard Time (IST) instantly.

24-Hour Conversion Chart

Day (6am-6pm)
Night
PST
Pacific Standard Time
IST
Indian Standard Time
5:00 PM
5:30 AM
6:00 PM
6:30 AM
7:00 PM
7:30 AM
8:00 PM
8:30 AM
9:00 PM
9:30 AM
10:00 PM
10:30 AM
11:00 PM
11:30 AM
12:00 AM
12:30 PM
1:00 AM
1:30 PM
2:00 AM
2:30 PM
3:00 AM
3:30 PM
4:00 AM
4:30 PM
5:00 AM
5:30 PM
6:00 AM
6:30 PM
7:00 AM
7:30 PM
8:00 AM
8:30 PM
9:00 AM
9:30 PM
10:00 AM
10:30 PM
11:00 AM
11:30 PM
12:00 PM
12:30 AM
1:00 PM
1:30 AM
2:00 PM
2:30 AM
3:00 PM
3:30 AM
4:00 PM
4:30 AM

Pacific to India — Across 13.5 Time Zones

IST is 13 hours and 30 minutes ahead of PST, making it one of the largest offsets between a US time zone and India. For distributed teams doing morning standups in California, that same meeting falls late evening in India. Use this converter to find the right overlap window instantly.

+13h 30m Ahead

Why Use This Tool?

13h 30m Offset (PST)

IST is always 13.5 hours ahead of PST. During summer PDT, the gap narrows to 12.5 hours since India does not observe DST.

No DST in India

India stays at UTC+5:30 year-round. The converter automatically handles the shifting PST/PDT offset on the US side.

Bi-Directional

Swap the direction to convert IST back to PST — useful for Indian teammates checking US Pacific business hours.

Best Meeting Window

The ideal overlap is 6:30 AM–8:00 AM PST (8:00 PM–9:30 PM IST), giving both sides reasonable working hours.

How this PST to IST Converter works

This timezone conversion tool translates Pacific Standard Time (PST, UTC-8) timestamps to Indian Standard Time (IST, UTC+5:30) using the JavaScript Intl.DateTimeFormat API with IANA timezone identifiers America/Los_Angeles and Asia/Kolkata. The standard offset between these zones is +13:30, meaning IST is thirteen hours and thirty minutes ahead of PST during standard time periods.

The converter automatically adjusts for United States Daylight Saving Time transitions. When Pacific Daylight Time (PDT, UTC-7) activates in mid-March, the effective offset reduces to +12:30 since India does not observe DST, maintaining UTC+5:30 year-round. The tool calculates the precise offset for any user-selected date by comparing formatted timestamps between source and target zones at runtime, avoiding hardcoded offset values that would fail during DST transition periods.

Users select both date and time inputs, with the system defaulting to the current local timestamp for convenience. The conversion result displays prominently with the target date and time formatted in 24-hour notation. An informational panel explains the conversion context including timezone identifiers and DST behavior. This tool is particularly valuable for technology professionals coordinating between US West Coast offices and Indian development teams where the PST-IST conversion is among the most frequently needed timezone calculations.

How to use this PST to IST Converter

1

Enter Time

Select the date and time in Pacific Standard Time (PST).

2

Instant Conversion

The Indian Standard Time (IST) equivalent is calculated automatically.

3

Review Result

View the converted time with automatic DST adjustments.

Example Usage

Convert 9 AM Pacific Time to Indian Standard Time:

Input
PST: 2025-12-15, 09:00
Output
IST: 2025-12-15, 22:30

Frequently Asked Questions

What is the time difference between PST and IST?
IST (UTC+5:30) is 13 hours and 30 minutes ahead of PST (UTC-8). During PDT (daylight saving), the difference reduces to 12 hours and 30 minutes.
Does this tool account for Daylight Saving Time?
Yes, the converter automatically adjusts for DST. When Pacific time switches to PDT in March, the tool reflects the updated offset.
When should I use PST vs PDT?
PST (UTC-8) is used from early November to mid-March. PDT (UTC-7) is used from mid-March to early November in the US Pacific zone.
Is India affected by DST?
No, India does not observe Daylight Saving Time. IST remains UTC+5:30 throughout the year.
Is this tool free?
Yes, 100% free. All calculations happen in your browser.

Conversions from PST

Conversions from IST

Related Tools

The PST to IST Converter is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.

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