// Workers AI · dad joke modeWhat did PDT say to EST? "You're behind the times.

PDT may refer to:

Businesses and organisations

• Paramount Domestic Television, United States television series distributor, now CBS Television Distribution
• Piedmont Airlines (ICAO airline code), an American regional airline
• PDT Partners, a hedge fund company in New York City that was formerly the trading division of Morgan Stanley
• Partido Democrático Trabalhista (Democratic Labour Party), a political party of Brazil
• Phi Delta Theta, an international fraternity
• Democratic Labour Party (Brazil), (acronym commonly used is PDT)

Computing

• PHP Development Tools, an IDE plugin for the Eclipse platform
• PDT Standard, a Chinese police wireless communications protocol
• Portable data terminal, a mobile device

Linguistics

• Prague Dependency Treebank, of the Czech National Corpus
• Plautdietsch, spoken in Poland and Mexico (ISO 639-3:pdt)

Places

• Please Don't Tell, a bar in New York City, US
• Eastern Oregon Regional Airport, US (IATA:PDT)

Science and medicine

• Patient-delivered therapy
• Photodynamic therapy, treatment for cancer and wet age-related macular degeneration, involving a photosensitizer, light, and tissue oxygen
• Population doubling time, a number indicating cell growth in cell cultures
• Pancreaticoduodenal transplantation (see Pancreas transplantation)
• 1,3-Propanedithiol, an organosulfur compound

Other uses

• Pacific Daylight Time (UTC−7), daylight saving time in western North America
• Pattern day trader, a previous designation for those following a stock-trading style
• Peter Dengate Thrush, New Zealand barrister
• Potentially dangerous taxpayer, an American taxpayer the IRS fear violence from