fixed: Scheduled workflows based on day of week run on wrong day

docs/changelog/7.x.x.txt

@@ -1,4 +1,5 @@
 7.5.21
+ - fixed: Scheduled workflows based on day of week run on wrong day
  - improved debug messages for sql queries
  - fixed: Custom library directories don't override WebGUI core modules
  - Changed update() so that it only updates fields passed in, and the defaults

docs/gotcha.txt

@@ -7,6 +7,14 @@ upgrading from one version to the next, or even between multiple
 versions. Be sure to heed the warnings contained herein as they will
 save you many hours of grief.
 
+7.5.21
+--------------------------------------------------------------------
+ * Previous versions of WebGUI used the wrong day of the week for
+   scheduled workflows.  This resulted in them being run a day later
+   than they should have.  If you relied on the old behavior, you
+   will need to update your workflow schedules.
+
+
 7.5.19
 --------------------------------------------------------------------
  * WebGUI now requires Text::CSV_XS version 0.52.  If you have been

lib/Spectre/Cron.pm

@@ -161,7 +161,7 @@ sub checkSchedule {
 		&& $self->checkSegment($now->hour, $job->{hourOfDay}, [0..23])
 		&& $self->checkSegment($now->day, $job->{dayOfMonth}, [1..31])
 		&& $self->checkSegment($now->month, $job->{monthOfYear}, [1..12])
-		&& $self->checkSegment($now->dow-1, $job->{dayOfWeek}, [0..6]) ) {
+		&& $self->checkSegment($now->dow % 7, $job->{dayOfWeek}, [0..6]) ) {
 		$self->debug("It's time to run ".$jobId.". Creating workflow instance.");
 		$kernel->yield("runJob",$jobId);
 	}