zdump - timezone dumper
program prints the current time in each zonename
on the command line.
- Output version information and exit.
- Output short usage message and exit.
- For each zonename on the command line, print the
time at the lowest possible time value, the time one day after the lowest
possible time value, the times both one second before and exactly at each
detected time discontinuity, the time at one day less than the highest
possible time value, and the time at the highest possible time value. Each
line ends with isdst=1 if the given time is Daylight Saving Time or
- Cut off the verbose output near the start of the given
year(s). The output still includes the lowest possible time value and one
day after it, and the highest possible time value preceded by the time
value one day before it.
This page is part of release 4.13 of the Linux man-pages
description of the project, information about reporting bugs, and the latest
version of this page, can be found at