> I know that Mackintosh disappeared on the
> Saturday immediately preceding July 12, 1979, but I don't know what
> the date was on that Saturday because I foolishly failed to make a
> note of the day of the week that the 12th fell on. Can anyone tell
> me what the exact date of that Saturday was?
The 7th according to Sun's 'cal' program (the 12th was a Thursday).