There was many references to time in JAG.
137. Mac's ability to always know what time it was.
138. Harm's obsession with Mac's internal clock.
139. Harm thinking Mac wants to move the baby deal up a year.
139. Mac laughing over Harm thinking she wants to move the baby deal up a year.
140. The clock that chimes outside their office in Va. (We hear it in FWFS)
141. And of course the 12 hour deadline in FWFS.