Zainuddin, a name commonly given to Boys, is often linked to meanings like Grace Of The Religion (Islam).. This name holds special significance within the Grace Of The Religion (Islam). community, where it is believed to bring good fortune, especially when linked with the number . For individuals named Zainuddin, Tuesday, Thursday are considered auspicious days. The colors Yellow, White, Light Green are particularly favored in association with this name, and the lucky stone for Zainuddin is believed to be Amethyst. Additionally, Copper, Iron are considered to be auspicious metals for those named Zainuddin.