zdump — timezone dumper
zdump [−v] [−ccutoffyear] [zonename...]
Zdump prints
the current time in each zonename named on the command
line.
These options are available:
−vFor 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 isdst=0 otherwise.
−c
cutoffyearCut off the verbose output near the start of the given year.