PowerShell, (削除) 87 (削除ここまで) 77 bytes
Saved 10 bytes thanks to John L. Bevan
$d=date;0..86399|%{$d+=1e7l;"$d".Split()[1]}|?{("{0:H+m+s}"-f$d|iex)-in$args}
Try it online! (this will time out, it's very slow)
Explanation
Pretty simple, starting with the current [datetime], add 1 second 86,399 times, format as a string, then keep only the ones where sum adds up.
briantist
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