Real author:

Kim Igor V. aka KimIV

The indicator uses colored rectangles to paint the price range of the weekday selected in the indicator settings:

//+-----------------------------------+
//| Indicator input parameter         |
//+-----------------------------------+
input dayOfWeek NumberDayOfWeek=Friday;   // Number of the day of the week

Originally this indicator has been written in MQL4 and was first published in the Code Base at mql4.com on 24.09.2007.

Figure 1. The i-DayOfWeek indicator