Sarsa's video for 'Motyle i ćmy' is set at 11:11 PM on 11 November 2011

Sarsa singing on stage with her eyes closed, holding the microphone in both hands, her hair in a bun, in a black top — Sarsa in concert in Bielsko-Biała, 7 July 2017. Photo: Piotr Bieniecki, CC BY-SA 4.0, via Wikimedia Commons

Sarsa (Marta Markiewicz) is a Polish singer and songwriter. In October 2017 she released Motyle i ćmy (“Butterflies and moths”), a single from her second album, Pióropusze; it went platinum in Poland.

The video opens with a timestamp on screen, and it stays there for the first dozen seconds or so: 11:11 PM, NOV 11 2011.

Sources

Sarsa, 'Motyle i ćmy' (official video, SarsaVEVO), YouTube
Sarsa, Polish Wikipedia — in Polish; the single came out on 18 October 2017 and went platinum
Onet Kultura, 'Sarsa z nowym klipem do singla Motyle i ćmy' (archived copy) — in Polish; the video promotes the album Pióropusze