PDT

PDT stands for:

Pacific Daylight Time , UTC-7 daylight saving time, PST ( Pacific Standard Time UTC-8), a time zone
Partidu Democráticu Timorense , Timorese Democratic Party in East Timor
Partido Democrático Trabalhista , Democratic Labor Party in Brazil
Photodynamic therapy , a method for treating tumors or the like.
PHP Development Tool , a PHP extension for the free integrated software development environment Eclipse
Piedmont Airlines (1993) , an American airline (ICAO code)
Portable Data Terminal , a mobile data collection device with wireless connection
Prolog Development Tool , a Prolog development environment for Eclipse

pdt stands for: