4 verses have
“cuando”
in Edition Julio Cortes / Ash-Shams (The Sun)
91:2¡Por la luna cuando le sigue!
91:3¡Por el día cuando lo muestra brillante!
91:4¡Por la noche cuando lo vela!
91:12Cuando el más miserable de entre ellos se alzó.
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Those who spend their wealth by night and day, privately and publicly, will receive their reward from their Lord. They have nothing to fear, nor shall they grieve.
The Holy Quran · Al-Baqara (The Cow) · 2:274