Thai Astrology (Duang): How Thai Horoscopes Work, and What Buddhism Says About Fate

This article describes Thai cultural tradition. It is not Buddhist doctrine, and nothing here is a prediction.

Ask a Thai friend which day of the week they were born, and they will know instantly. In Thailand your duang, your horoscope or fortune, is part of everyday life: it shapes the color people wear, the Buddha image they pray before, even the name they choose for a baby. Here is how Thai astrology works, and what the Buddha said about fate.

Duang chata: your birth chart

Duang chata is a birth chart, worked out from the day, date and time you were born. Thai astrology, horasat, came from Indian astrology centuries ago and blended with Thai culture. A professional astrologer, a mor du, reads the full chart. Most people, though, use just one part of it: the day of the week they were born.

The eight days of the week

Thai astrology counts eight days, not seven: Wednesday is split into day and night. Each day belongs to a celestial body, and each has its own color and Buddha image.

Add Ketu, a ninth "shadow" body, and you have the nine planets, nopphakhro, that Thai astrologers work with. For the full story of the colors, see Thai colors of the day.

Your birth day in daily life

• Color: many Thais see their birth-day color as their own, and wear the day's color on special occasions.
• Buddha image: temples often have a row of Buddha images, one for each day, and people make offerings to the image of their birth day.
• Names: a traditional system called taksa links groups of Thai letters to each birth day, and some parents use it to choose an auspicious name.

The 12 animal years

Thailand also uses a 12-year animal cycle, pi naksat, similar to the Chinese zodiac: rat, ox, tiger, rabbit, big snake (often drawn as a naga or dragon), snake, horse, goat, monkey, rooster, dog and pig. When the animal year changes depends on which calendar is used, so Thai sources sometimes differ by a few months.

Lucky colors and "fixing" bad luck

Each year Thai astrologers and newspapers publish lucky colors for every day: a color for work, for money, for love, and one to avoid. These lists differ from one astrologer to the next, but most start from the same traditional base: the taksa wheel, which gives every day a color for luck (si), for work (det), for help from others (montri) and one to avoid (kalakini). See the blessed colors for each day on the day pages above, or today's on your day card. When people feel their duang is going badly, many visit a temple to make merit, and some join a ceremony to ease misfortune, sadoh khro. These are customs, enjoyed and taken seriously to different degrees by different people.

What Buddhism says about fate

Thai astrology lives side by side with Thai Buddhism, but they are not the same thing. The early Buddhist texts are clear on two points.

Prediction is not the path. In the Brahmajāla Sutta (DN 1), predicting from the sun, moon and stars is listed among the kinds of "low lore" that some ascetics live by, and the Buddha's monks do not.

Your actions shape your life. In the Shorter Analysis of Deeds (MN 135), the Buddha says:

Kammassakā, māṇava, sattā kammadāyādā.

"Sentient beings are the owners of their deeds and heir to their deeds."

And in AN 6.63: "It is intention that I call deeds." In other words, what matters most is not the day you were born but what you intend and do today.

How ANEW uses Thai astrology

We love these traditions, and we share them as culture, never as prediction. Your birth day is a beautiful reminder: a color to notice, a Buddha image with a story, a moment to pause. What you do with the day is up to you. See today's color, the Buddha image of the day and the moon phase on your free day card.