node_copy.value = concat(node_copy.value, "T235959", NULL);
datetime = format_datetime (timezones, &node_copy);
c->c_text = datetime ? datetime : strdup(node_copy.value);
node_copy.value = concat(node_copy.value, "T235959", NULL);
datetime = format_datetime (timezones, &node_copy);
c->c_text = datetime ? datetime : strdup(node_copy.value);