The strategy tester, as you can see in the video, says “No Data”. So it hasn’t have anything to do with zooming. I got it to work with different code
//DATE AND TIME
fromMonth = input(defval = 1, title = "From Month", type = input.integer, minval = 1, maxval = 12)
fromDay = input(defval = 1, title = "From Day", type = input.integer, minval = 1, maxval = 31)
fromYear = input(defval = 2020, title = "From Year", type = input.integer, minval = 1970)
toMonth = input(defval = 1, title = "Thru Month", type = input.integer, minval = 1, maxval = 12)
toDay = input(defval = 1, title = "Thru Day", type = input.integer, minval = 1, maxval = 31)
toYear = input(defval = 2112, title = "Thru Year", type = input.integer, minval = 1970)
// MA DEFINITIONS
shortMa = sma(close, 20)
longMa = sma(close, 50)
// LOGIC
start = timestamp(fromYear, fromMonth, fromDay, 00, 00)
finish = timestamp(toYeay, toMonth, toDay, 23, 59)
timeInRange() => time >= start and time <= finish ? true : false
longSignal = crossover(shortMa, longMa) and window()
shortSignal = crossover(longMa, shortMa) and window()