6 .Nd grand digital clock (curses)
16 runs a digital clock made of reverse-video blanks on a curses
17 compatible VDU screen.
18 With an optional numeric argument
22 seconds (default never).
23 The clock can act as a countdown timer with the
27 specifies the number of seconds to time for.
30 flag makes digits scroll as they change.
33 flag tells grdc to output the time in a 12-hour format.
34 In this curses mode implementation,
35 the scrolling option has trouble keeping up.
39 The time zone to use for displaying the time.
40 It is normally specified as a pathname relative to
41 .Pa /usr/share/zoneinfo ,
45 If this variable is not set, the time zone is determined based on
49 In countdown timer mode, the specifying of
51 > 360000 seconds (100 hours) will lead to the counter displaying
52 incorrect remaining time, however it will time correctly, and
53 display correctly when the remaining time becomes less than
58 modified for curses by
60 Countdown timer mode by