“Sunset is the hour when evil spirits of all kinds have most power. In Perak, children are often called indoors at this time to save them from unseen dangers. Sometimes, with the same object, a woman belonging to the house where there are young children, will chew kuniet terus (an evil-smelling root), supposed to be much disliked by demons of all kinds, and spit it out at seven different points as she walks round the house.
“The yellow glow which spreads over the western sky, when it is lighted up with the last rays of the dying sun, is called mambang kuning (‘the yellow deity ‘), a term indicative of the superstitious dread associated with this particular period.”
Source: Skeat, Walter William. MALAY MAGIC being AN INTRODUCTION TO THE FOLKLORE AND POPULAR RELIGION OF THE MALAY PENINSULA. McMillan & Co. London. 1900