The ornamental design for a timezoneclock, as shown and described.
FIG. 1 is a perspective view showing the ornamental appearance of my time
zone clock showing an analog local time clock and twenty-four digital
clocks, each of which is positioned conveniently within a specific time
zone near a land mass, each digital clock displaying the date and time of
the zone in which it is placed;
FIG. 2 is a perspective view of an alternative embodiment of my design,
showing an analog local time clock and twenty-four analog clocks, each of
which is positioned conveniently within a time zone at the bottom of the
time zone clock and displaying the time of the zone in which it is placed;
and,
FIG. 3 is a perspective view of another embodiment of my design, showing an
analog local time clock and twenty-four digital clocks, each of which is
positioned conveniently within a specific time zone at the bottom of the
time zone clock, each digital clock displaying the date and time of the
zone in which it is placed.