Central Daylight Time
noun[U]
ukus(abbreviationCDT)thetimeused insummerin thecentralpartsof the US and Canada, which is fivehoursbehind Greenwich Mean Time:
Thecompanyand theflightattendantsfaceadeadlineof 11:30 p.m. CDTSaturdaytoreachatentativeagreement.
Compare
Central Standard Time