1 verse has
“tatkala”
in Edition Unknown / Qaaf (The letter Qaaf)
50:5Sebenarnya, mereka telah mendustakan kebenaran tatkala kebenaran itu datang kepada mereka, maka mereka berada dalam keadaan kacau balau.
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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