I’m using a custom filter of simply “After Today”, but am seeing results from the previous day. Am I missing something here? Shouldn’t only events sent on the same day or a future day be shown in this instance?
the only easy explanation I see here is your timezone?
If your looker instance is set for specific user timezone or a a global non-utc timezone, then you can get that kind of strange results.
But still that seems very weird.