Klingon calendar
- Units
- lup (Klingon second) (ENT Novel: Kobayashi Maru)
- kilaan (Klingon hour) (ENT Novel: Kobayashi Maru; VAN: Summon the Thunder)
- DIS (Klingon day) (ENT Novel: Kobayashi Maru)
- jar (Klingon month) (ENT Novel: Live by the Code)
- 40.56 days by CLB
- Months
- Lo'Bral (TOS Novel: Forged in Fire)
- Soo'jen (ENT Novel: Beneath the Raptor's Wing)
- Maktag (TNG: "New Ground")
- At least forty-three days (TNG: "New Ground")
- Correspondences
- Year of Kahless 781 > May 22, 2155 (ENT Novel: Kobayashi Maru)
- 2173 = Early Lo'Bral, Year of Kahless 799 (TOS Novel: Forged in Fire)
- July 14, 2155 = Year of Kahless 781 (ENT Novel: Kobayashi Maru)
- July 22, 2156 = Late in the month of Soo'jen, Year of Kahless 782 (ENT Novel: Beneath the Raptor's Wing, To Brave the Storm)
- March 17, 2366 (SD 43205) = Maktag 43, year unknown (TNG: "New Ground")
- Mid-October 2373 = Year of Kahless 999 (DS9: "Soldiers of the Empire")