A1 = "2019-01-01T00:20:00"
=datevalue(left(A1,10))+TIMEVALUE(mid(A1,12,8))
returns 43466.01389
A1 = "2019-01-01T00:20:00"
=TO_DATE(datevalue(left(a1,10))+TIMEVALUE(mid(a1,12,8)))
returns 1/1/2019
=QUERY(data!A:N,"select J, count(J) where(J > 0) group by J pivot Month(N)+1")