Culture and belief Rite customs lookup Dates for full month, first birthday, 49th and 100th day, death anniversaries.
Start Knowledge › Eastern › I Ching Month leader and day spirit set each line's strength in a Liu Yao hexagram, covering void in the decade, month breaker, and hidden movement.
Updated 25 Sept 2026 Traditional systems
Knowledge › Western › Psychology Birth month can shape school and career outcomes through the relative age effect, the age gap within a class, not through astrology or star signs.
Updated 27 Sept 2026
Knowledge › Eastern › Lunar calendar How a lunar leap month is determined, why leap years exist, and why one lunar day in a leap year corresponds to two solar days.
Updated 12 Sept 2026 Calendar and astronomy
Knowledge › Eastern › Lunar calendar Lunar to solar conversion uses no fixed addition table. It relies on the new moon point, major solar terms and legal time zones, so it differs year by year.
Updated 13 Sept 2026 Calendar and astronomy
Knowledge › Vietnam › Date and hour selection Year-end dates for the gathering, altar cleaning, debt repayment and New Year opening: lunar calendar principles and flexible use without superstition.
Updated 16 Sept 2026 Traditional systems
Knowledge › Eastern › Vietnamese astrology The Destiny Palace is the root of a Zi Wei Dou Shu chart, reflecting character, inner self and potential life direction.
Updated 19 Jun 2026 Traditional systems
Knowledge › Eastern › I Ching Heavenly Stem Yi is Yin Wood in the I Ching, linked to the Kun and Xun hexagrams and seen as gentle, adaptable and quietly resilient.
Updated 4 Aug 2026 Traditional systems
Knowledge › Eastern › I Ching Bạch Hổ, one of the six lục thú of Lục Hào: how it is placed by the day stem and what Tăng san bốc dịch says about reading it.
Updated 12 Oct 2026 Traditional systems
Knowledge › Eastern › BaZi Rob Wealth (Jie Cai) in BaZi's Ten Gods: its nature, how it competes with Direct Wealth, and its role in reading personality and social ties.
Updated 16 Aug 2026 Traditional systems
Knowledge › Eastern › Feng shui The First White Star in Xuan Kong Flying Stars governs wealth, fame and intelligence in good positions, but disputes and illness in bad ones.
Updated 5 Jul 2026 Traditional systems
Knowledge › Eastern › Feng shui Flying stars for Đinh Mùi 2027: Ngũ Hoàng in the North, Tam Sát in the West, Thái Tuế at Mùi in the Southwest, as read in Trạch vận tân án.
Updated 12 Oct 2026 Traditional systems
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