PST

American

Or P.S.T.,

Pacific Standard Time.

PST British

abbreviation

Pacific Standard Time

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Example Sentences

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State-controlled postal service Poste Italiane PST -0.09%decrease; red down pointing triangle has made a $12.50 billion offer to acquire Telecom Italia TIT -2.17%decrease; red down pointing triangle .

From The Wall Street Journal • Mar. 23, 2026

PST, after which recovery teams aboard SpaceX vessels quickly secured the spacecraft and assisted the astronauts.

From Science Daily • Jan. 16, 2026

PST, while anchors and correspondents from more than a dozen cities will also be reporting live on celebrations worldwide.

From Los Angeles Times • Dec. 29, 2025

PST on Friday during a livestream event on live.grammy.com and YouTube.

From Los Angeles Times • Nov. 4, 2025

PST pushed it again to 63,000 feet before subsiding to 17,500 feet by 8:10 p.m.

From "Mountain of Fire" by Rebecca E. F. Barone

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023