specified dates and times*

Definition/Scope: An unnamed day or time on/at which a particular operation or activity commences or is to commence. May be the commencement of hostilities, the date of a major military effort or the hour of the start of a mission.

Broader Terms:

time

Narrower Terms:

available-to-load date
C-day
D-day
E-day
first unit equipped date
H-hour
K-day
M-day
S-day