DST (disambiguation)

DST is daylight saving time, a seasonal adjustment to civil time.

DST may also refer to:

Academia Delta Sigma Theta, an American organization of college-educated women Doctor of Sacred Theology, highest qualification in Roman Catholic theology

Businesses DST Systems, an American technology company Digital Signature Trust Company, a cryptographic root certificate authority (now owned by IdenTrust) Digital Sky Technologies, a Russian investment firm

Government, law and military Defence School of Transport, Leconfield, Yorkshire, England Defence Science and Technology Group, ancillary Australian national security agency Delaware statutory trust Department of Science and Technology (South Africa) Department of Science and Technology (Philippines) Department of Science and Technology (India) Digital Service Tax Direction de la surveillance du territoire, defunct French intelligence agency Direction générale de la surveillance du territoire, Moroccan intelligence agency

Mathematics Dempster–Shafer theory, in probabilistic logic, a model of uncertainty Descriptive set theory, in logic Discrete sine transform, a Fourier transform variant Dynamical systems theory, related to chaos theory

Science Descending subtraction task, a clinical cognitive test Developmental systems theory, an evolutionary biology framework Dexamethasone suppression test, in endocrine medicine, a measure of adrenal gland function Dialogical self theory, in psychology Disturbance storm time index, in aeronomy, a measure of space weather near Earth Dystonin, a protein relevant to neurology and its related human gene

Technology

Data Storage Technology, a 1992 magnetic-tape data-storage format Decision support tool, see Decision support system Deep Space Transport, a crewed interplanetary spacecraft concept Digital signature transponder, Texas Instruments' RFID device Direct Stream Transfer, a lossless audio compression format used by SACD Douglas Sleeper Transport, a 1940s aircraft model (precursor to the Douglas DC-3) Drill stem test, in oil exploration

See also DS&T