K-Day

K-Day or KDAY may refer to:

Radio stations

• KDAY, in Greater Los Angeles, U.S.
  • KDEY-FM, a simulcast
• KSRW (FM), in Independence, California, U.S., formerly KDAY-FM 1991–2004
• KBLA, in Santa Monica, California, U.S., formerly KDAY 1956–1991

Other uses

• K-Day, a military designation of days and hours
• K-Day, an annual event at Michigan Technological University
• K-Days, an annual exhibition in Edmonton, Alberta, Canada
• Dayton International Airport, ICAO code KDAY