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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

The Carlson deal was finalized roughly 14 hours before Friday’s NHL trade deadline at noon PST.

From Los Angeles Times • Mar. 6, 2026

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

From Science Daily • Jan. 16, 2026

PST, marking the longest telecast in the decades of the program’s history.

From Los Angeles Times • Dec. 29, 2025

PST, it was more than 80,000 feet high.

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