all calculations based on swing high of 17th sept 2020 & swing low of 24th sept 2020. Time windows calculated using range sqrt & both calendar & trading days time windows are there. So we got sign of top 17th Feb 2021 & Nifty went down till 315 degree after resisting 360 degrees gann angles. This analysis includes lunar dates such as New moon & Full moon, equinoxes & Solstices dates, also marked gann dates with date range tool.