method to get the number of the day of year from unix timestamp.
study("[RS]UNIXSTAMP Day In Year Counter V0") _minute = 60 * 1000 _hour = 60 * _minute _day = 24 * _hour _Year = 1420070400000.000 // 2015-01-00 _Time_Fix = input(12)*_hour count=round(round(time-(_Year-_Time_Fix))/_day) plot(count, color=black, style=line, linewidth=2)