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Convert Pacific Standard Time to India Standard Time

Instantly convert Pacific Standard Time (PST) to India Standard Time (IST) with our free online calculator.

Reviewed by Christopher FloiedUpdated

Pacific Standard Time

09:20:51 PM

Tue, Jun 23 (PST)

India Standard Time

10:50:51 AM

Wed, Jun 24 (IST)

IST is +13.5 hours from PST

Convert a Specific Time

PST

24-Hour Comparison

PSTIST
12:00 AM1.5:00 PM
1:00 AM2.5:00 PM
2:00 AM3.5:00 PM
3:00 AM4.5:00 PM
4:00 AM5.5:00 PM
5:00 AM6.5:00 PM
6:00 AM7.5:00 PM
7:00 AM8.5:00 PM
8:00 AM9.5:00 PM
9:00 AM10.5:00 PM
10:00 AM11.5:00 PM
11:00 AM0.5:00 AM(+1d)
12:00 PM1.5:00 AM(+1d)
1:00 PM2.5:00 AM(+1d)
2:00 PM3.5:00 AM(+1d)
3:00 PM4.5:00 AM(+1d)
4:00 PM5.5:00 AM(+1d)
5:00 PM6.5:00 AM(+1d)
6:00 PM7.5:00 AM(+1d)
7:00 PM8.5:00 AM(+1d)
8:00 PM9.5:00 AM(+1d)
9:00 PM10.5:00 AM(+1d)
10:00 PM11.5:00 AM(+1d)
11:00 PM0.5:00 PM(+1d)

How to Convert Pacific Standard Time to India Standard Time

Formula

To convert Pacific Standard Time (PST) to India Standard Time (IST): Convert PST to IST

About Pacific Standard Time (PST)

Pacific Standard Time (PST, IANA: America/Los_Angeles) is the standard time zone for the US West Coast and Canadian westernmost provinces, set at UTC-8:00. PST is observed from the first Sunday in November to the second Sunday in March per the Uniform Time Act of 1966; the region switches to Pacific Daylight Time (PDT = UTC-7:00) the rest of the year. PST is used by ~50 million people in California, Oregon, Washington, Nevada (most), British Columbia, Yukon Territory, and the Mexican states of Baja California Norte. Major cities: Los Angeles, San Francisco, San Diego, Seattle, Portland, Sacramento, Las Vegas, Vancouver BC. PST is the time zone of US tech hubs (Silicon Valley, Seattle, Vancouver) — global software-release coordination, Big-Tech corporate-earnings calls, Hollywood production schedules, and NYSE/Nasdaq market hours (PST 06:30-13:00) all reference PST/PDT. Mexico abolished DST nationwide in 2022 except for border zones, complicating Baja conversions.

About India Standard Time (IST)

India Standard Time (IST, IANA: Asia/Kolkata) is the civil time of the Republic of India and Sri Lanka, set at UTC+5:30 — one of the world's most populous 30-minute-offset time zones. India does not observe Daylight Saving Time per the Government of India directive (a brief DST trial in 1942-1945 during WWII was discontinued; subsequent proposals from 2010-2017 were rejected by the Indian Government citing minimal energy savings + agricultural sector disruption). IST is defined as the local mean solar time at 82.5°E longitude (passing through Shankargarh fort in Uttar Pradesh, with the reference clock at the National Physical Laboratory in New Delhi per the Indian Institute of Astrophysics). The 30-minute offset is preserved because India's east-west extent (68°E to 97°E) spans ~28° of longitude — approximately 2 hours of solar time — and the central meridian is most representative for a single unified zone. IST serves approximately 1.4 billion people in India + 22 million in Sri Lanka (Sri Lanka observes SLST = UTC+5:30, identical to IST). Major cities: Mumbai (12.5M), Delhi (16.8M, NCR 29M), Bengaluru (8.4M), Hyderabad (10M), Chennai (7M), Kolkata (4.5M), Ahmedabad (5.5M), Pune (3.1M). Affects: BSE/NSE stock exchanges, IPL Indian Premier League cricket schedules.

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