‘Date’ is your index so you want to do,
print (df.index.min())
print (df.index.max())
2014-03-13 00:00:00
2014-03-31 00:00:00
‘Date’ is your index so you want to do,
print (df.index.min())
print (df.index.max())
2014-03-13 00:00:00
2014-03-31 00:00:00