When are the charges calculated by Zerodha EOD or at the time of trade

Hi Team,

Related to the earlier discussion https://kite.trade/forum/discussion/7009/convert-the-positon-from-mis-to-cnc-before-the-mis-market-reaches-end?new=1
when the charges calculated. Lets say i did 40 trades for MIS and converted 5 to CNC before end of market, does the charges calculation happen at the end of the market hours or at the time of trade occurred.
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