hello
I want to combine two worksheet or excel file with a common data value of one column
exa. one worksheet is

date var1 var2 var3
12/12/2019 11:00 100 200 300
12/12/2019 11:10 200 200 600
12/12/2019 11:20 300 200 900
12/12/2019 11:30 400 200 300
12/12/2019 11:40 500 200 600


second one is

date var4 var5 var6
12/12/2019 11:00 10 2 30
12/12/2019 11:10 20 2 60
12/12/2019 11:20 30 2 90
12/12/2019 11:40 40 2 30
12/12/2019 11:50 50 2 60

I want to combine this two worksheets/files in one with date column as reference. . . Exa. after combine I would get result

date var1 var2 var3 var4 var5 var6
12/12/2019 11:00 100 200 300 10 2 30
12/12/2019 11:10 200 200 600 20 2 60
12/12/2019 11:20 300 200 900 30 2 90
12/12/2019 11:30 400 200 300 -- -- --
12/12/2019 11:40 500 200 600 40 2 30
12/12/2019 11:50 -- --- --- 50 2 60

Thanks in advance. . ..