zdump(1M) DG/UX 5.4 Rel. 2.01 zdump(1M)
NAME
zdump - time zone dumper
SYNOPSIS
zdump [ -v ] [ -c cutoffyear ] zonename ...
DESCRIPTION
The zdump command prints the current time in each zonename named on
the command line.
The following options are available:
-v For each zonename on the command line provide the following
verbose information. Print the current time first. Next
print the time at the lowest possible time value, followed by
the time one day after the lowest possible time value. Then
print the times both one second before and exactly at each
time at which the rules for computing local time change.
Finally, print the time at one day less than the highest
possible time value, followed by the time at the highest
possible time value. All time values including the current
time are printed in GMT.
The lowest and highest possible time values are printed to
show the range of time values that can be represented by a
32-bit signed integer variable, used to represent time values
in seconds. The lowest possible time value is 0x80000000
(-2147483648 seconds) and the highest time value is 0x7fffffff
(2147483647 seconds). Lowest and highest representable time
values are boundaries for minimum and maximum time values,
respectively, in the FROM and TO fields in a zic(1M) rule
line.
Printing time values for one day after the lowest possible
time value and one day before the highest possible time value
validates the minimum and maximum boundaries.
-c cutoffyear
Cut off the verbose output near the start of the year
cutoffyear.
FILES
/usr/lib/locale/TZ standard zone information directory
SEE ALSO
zic(1M), ctime(3C).
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