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Calendars and references

100-year calendar

A 100-year calendar for finding which weekday any date falls on. It is most useful for finding the weekday you were born on, the starting point of almost every kind of Thai fortune telling. The tool shows the whole month, and sums up the sign, zodiac year and lucky colours of that day.

Date to look up

Choose the year in the Gregorian calendar (CE). The Thai calculations convert it to the Buddhist Era (CE + 543) for you.

Lucky colours for each of the seven days

  • Sunday: lucky colours red, pink and orange · colour to avoid dark blue
  • Monday: lucky colours yellow, cream and white · colour to avoid red
  • Tuesday: lucky colours pink, purple and gold · colour to avoid yellow
  • Wednesday: lucky colours green, grey and brown · colour to avoid pink
  • Thursday: lucky colours orange, vermilion and golden yellow · colour to avoid purple
  • Friday: lucky colours sky blue, dark blue and silver · colour to avoid black
  • Saturday: lucky colours black, dark purple and dark grey · colour to avoid green

Frequently asked questions

What is a 100-year calendar for?

It finds which weekday a date in the past or future falls on. The most common use in Thailand is finding the weekday you were born on, because almost every kind of Thai fortune telling starts from the weekday of birth.

Why do I need to know my weekday of birth?

Because in Thai tradition the weekday of birth determines your lucky colours, the letters to avoid in a name, a suitable car plate and auspicious timings. All of these are tied to the weekday, not to the month or year.

Which years are covered?

The tool calculates from the international calendar, so it covers every year you can choose in the form, about 100 years back from today. The result matches the Gregorian calendar, which Thailand has used since 1941 (BE 2484). Years are shown in CE with the Thai Buddhist Era (CE + 543) alongside.

More Calendars and references tools

All readings are personal belief based on astrological lore, presented for entertainment only. They are not medical, financial or legal advice and not gambling. Please use your own judgement.

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