Therese Langit, a renowned songwriter in the Visayas, and Thyro Alfaro wrote and composed "Day and Night".

The Filipino boy group Alamat achieved success with their album Pasulong in 2022, which included tracks such as "Maharani", their most-streamed single so far.

[1] Alamat member Jao created the choreography for "Day and Night" with minimal guidance, incorporating regional dances as key elements.

Cielo Meneses of The Beat Manila wrote that the song "undeniably became one of the standout hits of the summer", noting that it quickly accumulated more than 800,000 streams on Spotify.

[7] In a track-by-track review of the album Isapuso for Tomasino Web, official student publication of the University of Santo Tomas, Kurt Alec Mira described "Day and Night" as "both pop and poetic" and "a dazzling summer banger".

[10][11] The dance challenge for "Day and Night", which features an excerpt of the song and its choreography, made rounds on the social media app TikTok.

[14] Both de Leon and the members of Alamat wear sustainable indigenous Philippine textiles and items in the music video, such as Tboli brass accessories.

[16] At Billboard Philippines' first anniversary celebration on October 15, 2024, Alamat performed a medley of "Day and Night" and "Maharani".

Mayks Go of Billboard Philippines reported that "the hit tracks[...] effortlessly got those in attendance to cheer, move, and sing along from start to finish".