When using SQL Server as DB engine and, according to the system regional settings, the first day of week is not Sunday, adding a new "weekly at this time" schedule marks programs 1 or more days later than the actually scheduled program. The number of days depends on the number of days from the configured first day of week to Sunday

h4. Additional Information
See forum thread: http://forum.team-mediaportal.com/mediaportal-1-1-0-rc-versions-496/schedules-marked-24h-too-late-epg-timer-81083/index2.html#post612682