Box calendar

FIG. 1 is a front, top perspective view of the box calendar in a closed configuration;

FIG. 2 is a front elevation view of the box calendar in a closed configuration;

FIG. 3 is a rear elevation view of the box calendar in a closed configuration;

FIG. 4 is a left side elevation view of the box calendar in a closed configuration;

FIG. 5 is a right side elevation view of the box calendar in a closed configuration;

FIG. 6 is a top plan view of the box calendar in a closed configuration;

FIG. 7 is a bottom plan view of the box calendar in a closed configuration;

FIG. 8 is a top perspective view of the box calendar in an open configuration; and,

FIG. 9 is a top, front perspective view of the box calendar in an open configuration.

The dash-dash lines shown in FIGS. 8 and 9 are for the purpose of illustrating cards and form no part of the claimed design. The dash-dot-dash lines represent portions of the article that form no part of the claimed design.