It would appear that on those dates you’ve binned, the earliest login time was from an earlier day
It appears you’ve conflated multiple dates in the data into expecting them to be "the same"
I would strongly suspect that SesssionStateChangeTime is not the field you want to look at – at least, not in the manner you’re trying to now
from User warren – Stack Overflow https://stackoverflow.com/questions/63162070/recording-earliest-login-time-for-each-day/63173455#63173455
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