[msephton]

What I mean is that "it" - the advertised window during which the offer applies - is not 5am to 11pm as mentioned by the poster above.

[AussieWog93]

The advertised window is peak time (6h per day). The doubled usage applies off-peak (18h per day).

[msephton]

Ah! Yes, I got tripped up by the negation. Cheers