Precious Hearts Romances Presents: Araw Gabi (International title: The Secrets of El Paraiso / transl. Day Night) is a 2018 Philippine drama television series under Precious Hearts Romances based on the Filipino pocket book novel El Paraiso by Martha Cecilia, starring JM de Guzman and Barbie Imperial. The series premiered on ABS-CBN's Kapamilya Gold afternoon block and worldwide via The Filipino Channel from April 30 to October 12, 2018, replacing Hanggang Saan and was replaced by Precious Hearts Romances Presents: Los Bastardos.

It is the 18th installment of the Precious Hearts Romances Presents series, six years after Paraiso in 2012. The network decided to reboot the franchise under RSB Unit.

The drama is JM de Guzman's fifth appearance and his first lead role in the Precious Hearts Romances Presents after having played supporting roles in The Substitute Bride, Midnight Phantom, Kristine, and Alyna. The drama is also Barbie Imperial's first lead role; she previously appeared with de Guzman on All of Me in 2015.

The show began airing reruns since July 17 to November 19, 2023 on ALLTV replacing the reruns of Sandugo and replaced the reruns of Till I Met You.