//@version=4
study("My Script", overlay=true)
doLabel = false

for i = 0 to 1
    doLabel := timestamp("GMT+2", 2019, 12, 12, 00, 00) == time
    if doLabel
        break
    doLabel := timestamp("GMT+2", 2019, 12, 10, 00, 00) == time
    if doLabel
        break

l = if doLabel
    label.new(bar_index, high, style=label.style_labeldown, text="movement\n" + tostring((high - low) * 100))