7 markers for days of the week

The attached zip file contains 7 markers - 1 for each day of the week (English), in 7 different colors. The markers have
M, Tu, W, Th, F, Sa, Su

These markers work well for mapping events. E.g. this code sets an event node's marker to use the proper day of the week.

$day_of_week = strtolower(date('l', $node->event_start));
$newmarker['markername']='marker_' . $day_of_week;