What is an auspicious date?

A day whose day pillar and hour pillar are considered supportive for the activity, and whose stars avoid the obstructive ones. It is chosen by matching the calendar against the charts of the people involved.

How far ahead should a moving date be chosen?

Traditionally within the coming year, so the date can be checked against the calendar and against the movers' charts.

Does the hour of day matter?

Yes. The hour pillar is treated separately, and for activities such as moving house the traditional advice is to start in the morning hours.

Can two auspicious dates differ between practitioners?

Yes. Different schools emphasise different stars and rules, so two readings can differ on some days while agreeing on most.

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Choosing Auspicious Dates for Moving, Marriage and Travel

Choosing an auspicious date — in Chinese, Ze Ri, or selecting a good day and hour — is one of the oldest practical applications of the Chinese calendar. The aim is to pick a date whose day pillar and hour pillar are supportive rather than obstructive, and to avoid days that clash with the people involved.

The mechanics of date selection

Every day in the traditional calendar has a day pillar — a Heavenly Stem and an Earthly Branch pair — and every two-hour block has an hour pillar. A date is judged by how its pillars interact with the pillars of the person involved, and by which of the day's stars are considered favourable or obstructive.

Commonly used favourable stars include the Nobleman (Tian Yi Gui Ren), the Chef (Tian Chu Gui Ren), the Lucky Star (Fu Xing Gui Ren) and the Horse (Yi Ma), while days carrying the Mourning Gate, the Lonely Star, the Robbery, the Death, the Disaster or the Hanging Star are treated with caution.

Different rules for different events

Moving house: the rule of the day pillar and the hour of arrival matter most, and the movers' own charts are usually considered. Traditionally the morning hours of a chosen day are preferred for the actual move.

Marriage: the date is chosen for the couple together, usually with attention to avoiding clashes with either party's birth year and to the availability of favourable stars.

Travel and opening a business: the direction of travel, the day pillar and the hour of departure are weighed, and the traveller's chart is considered.

Practical cautions

Traditional date selection is a cultural practice, and different schools apply different rule sets. Whatever the rules say, practical constraints — availability of people, weather, contracts, season — still decide whether a date is workable.

Key terms

Auspicious Date Selection: The traditional practice of choosing a day and hour whose calendar pillars support the activity and the people involved.
Day Pillar: The stem and branch pair assigned to a calendar day, used together with the hour pillar in date selection.
Hour Pillar: The stem and branch pair assigned to a two-hour block, considered separately from the day.
Nobleman: One of the commonly used favourable stars (Tian Yi Gui Ren) in date selection.

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Frequently asked questions

What is an auspicious date?: A day whose day pillar and hour pillar are considered supportive for the activity, and whose stars avoid the obstructive ones. It is chosen by matching the calendar against the charts of the people involved.
How far ahead should a moving date be chosen?: Traditionally within the coming year, so the date can be checked against the calendar and against the movers' charts.
Does the hour of day matter?: Yes. The hour pillar is treated separately, and for activities such as moving house the traditional advice is to start in the morning hours.
Can two auspicious dates differ between practitioners?: Yes. Different schools emphasise different stars and rules, so two readings can differ on some days while agreeing on most.

This guide explains a traditional Chinese cultural practice and is provided for reference and cultural interest. It is not scientific, and nothing here is medical, financial, legal or other professional advice. For a free chart of your own, see the free Ba Zi chart.