Get the date after 23:59:59 from now

Hello Friends,

i had to get a date 24 hour after initial one, tryed:
convert.ToDateTime(Now.AddDays(-1).AddHours(+23).AddMinutes(59).AddSeconds(59)).ToString(“dd/MM/yyyy HH:mm:ss”)

it gives 02/06/2021 18:13:01
but i want 01/06/2021 23:59:59

Try this

Now.AddDays(1).AddSeconds(-1).ToString("dd/MM/yyyy HH:mm:ss")