PST

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PST may refer to:

Time zones

• Pacific Standard Time, UTC−08:00
• Pakistan Standard Time, UTC+05:00
• Philippine Standard Time, UTC+08:00

Science and technology

• Lead scandium tantalate, a ceramic material
• Post-stall technology, aircraft control system
• Program structure tree, a hierarchical representation of computer program structure
• Pocket set theory, an alternative axiom system of set theory
• Planar separator theorem, a theorem in graph theory
• Puccinia striiformis f.sp. tritici, or Wheat yellow rust
• Phase-shifting transformer, a type of an electrical transformer used for grid balancing

Economics

• Provincial Sales Tax, a sales tax in most Canadian provinces
• The Prebisch–Singer thesis or Prebisch–Singer hypothesis

Places

• Trail of Remembrance and Comradeship (Slovene: Pot spominov in tovarištva), a memorial walkway in Ljubljana, Slovenia
• Poznań Fast Tram (Polish: Poznański Szybki Tramwaj), a tram line in Poznań, Poland
• Prestonpans railway station, East Lothian, Scotland, with the station code PST

Other

• Personal Storage Table, a file format used in Microsoft applications
• Norwegian Police Security Service (Norwegian: Politiets sikkerhetstjeneste), the Norwegian police security agency
• Partial stroke testing of valves