MATLAB: How to plot Date time series in MATLAB

MATLABplotSignal Processing Toolboxtime series

I am facing difficulties in plotting my time series data.The data file is also attached.I write code like this but doesnt work.
data3=readtable ('PRICE_AND_DEMAND_Jan.csv')
Date_Time = data3(:,2);
datecell=table2cell(Date_Time);
load = data3(:,3);
A = table2array(load)
p=datenum(datecell);
plot(datenum(datecell), A)
datetick('x', 'dd-mmm-yyyy HH:MM:SS')
% datetick('x', 'dd-mmm-yyyy HH:MM:SS')

Best Answer

Try it: 
data3=readtable ('PRICE_AND_DEMAND_Jan.csv')
Date_Time = data3(:,2);
datecell=table2cell(Date_Time);
load = data3(:,3);
A = table2array(load)
formatIn='dd-mm-yy HH:MM'
p=datenum(datecell,formatIn);
plot(p, A)
datetick('x', 'dd-mmm-yyyy HH:MM')
set(gca,'XTickLabel',datestr(p),'XMinorGrid','on')
grid
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