Immaculate Session Ranges

//@version=4
//Automating session ranges to make my life easier.
study("Immaculate Session Ranges", overlay=true)

timeIsAllowedMorn = time(timeframe.period, "0930-1005:23456")
var hiMorn = 10e-10
var loMorn = 10e10
if timeIsAllowedMorn
    if not timeIsAllowedMorn[1]
        hiMorn := high
        loMorn := low
    else
        hiMorn := max(high, hiMorn)
        loMorn := min(low, loMorn)


timeIsAllowedAft = time(timeframe.period, "1330-1405:23456")
var hiAft = 10e-10
var loAft = 10e10
if timeIsAllowedAft
    if not timeIsAllowedAft[1]
        hiAft := high
        loAft := low
    else
        hiAft := max(high, hiAft)
        loAft := min(low, loAft)


plot(not(true and not time(timeframe.period, "0930-1330:23456"))? hiMorn : na, "Morning High", color.blue, 3, plot.style_circles)
plot(not(true and not time(timeframe.period, "0930-1330:23456"))? loMorn : na, "Morning Low", color.fuchsia, 3, plot.style_circles)
plot(not(true and not time(timeframe.period, "1330-1600:23456"))? hiAft : na, "Afternoon High", color.blue, 3, plot.style_circles)
plot(not(true and not time(timeframe.period, "1330-1600:23456"))? loAft : na, "Afternoon Low", color.fuchsia, 3, plot.style_circles)