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.

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.

PowerShell, 87 bytes

$d=date;0..86399|%{$d+=10000000;"$d".Split()[1]}|?{$d.Hour+$d.Minute+$d.Second-in$args}

Try it online! (so far this has hit the 60 second timeout for me every time, but on my machine it runs in under 10 seconds)

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.

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.

PowerShell, 87 bytes

$d=date;0..86399|%{$d+=10000000;"$d".Split()[1]}|?{$d.Hour+$d.Minute+$d.Second-in$args}

Try it online! (so far this has hit the 60 second timeout for me every time, but on my machine it runs in under 10 seconds)

PowerShell, 87 bytes

$d=date;0..86399|%{$d+=10000000;"$d".Split()[1]}|?{$d.Hour+$d.Minute+$d.Second-in$args}

Try it online! (so far this has hit the 60 second timeout for me every time, but on my machine it runs in under 10 seconds)

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.