Opening date selection

A Korean folk custom used when choosing dates for moving or major events.

A day referenced in traditional texts for grave relocation, breaking ground, tending graves and placing memorial stones.

A day pillar traditionally regarded as suitable for various activities.

A customary day-pillar designation referenced for various activities alongside heaven-deaf days.

A date’s name in a 60-day cycle combining heavenly stems and earthly branches.

Twelve customary day designations determined by comparing the solar-term month branch with the day branch.

A traditional division of twelve spirits into yellow and black paths, determined from the solar-term month and day branches.

The zodiac of the branch opposite the day branch in the six-clash relationship.

A month delimited by jie solar-term dates rather than lunar months, used with the day pillar as a basis for traditional date selection.

The relationship between the solar-month phase and day-stem phase is classified as 旺, 相, 休, 囚 or 死 and used as a supporting influence.

The day branch clashes with the solar-month branch. Ordinary prohibitions remain even when virtue influences are present.

Specific day pillars whose phase loses seasonal strength. Volume 10 retains their prohibitions even with virtue combinations.

Day pillars explicitly marked as unsuitable for all undertakings in Volume 10’s monthly-aversion entries, including major and minor yin-yang meetings and related severe clashes.

A virtue stem assigned by solar month. Directional entries for 子, 卯, 午 and 酉 months are not replaced with day branches. This differs from the spirit 天德 in the twelve-path cycle.

The yang stem corresponding to the phase of the solar month’s triple-harmony group.

戊寅 in spring, 甲午 in summer, 戊申 in autumn and 甲子 in winter. A principal auspicious influence in Volume 10, without automatically cancelling month break or four wastes.

The day stem combines with the heavenly-virtue stem in a five-stem combination. Months whose heavenly virtue is a direction are excluded.

The day stem combines with the monthly-virtue stem in a five-stem combination.

The day branch and solar-month branch belong to the same triple-harmony group.

The day branch and solar-month branch form a six-harmony pair.

The day branch and solar-month branch form a six-harm pair. Mitigation by virtue influences and combinations follows Volume 10.

The extinction branch of the triple-harmony phase. Solar-month growth, six harmony and virtue relationships are considered together.

The branch clashing with the triple-harmony group. Heavenly pardon does not replace virtue influences in mitigating it.

The tomb branch of the triple-harmony phase. Prohibitions can remain when it coincides with a level or close officer, even with virtue influences.

The day branch punished by the solar-month branch. Concurrent monthly influences and the relative weight of virtues are considered.

The yin-building branch. Overlap with month break or disaster sha can remain unmitigated by virtues.

The death branch of the triple-harmony phase. Concurrent level or close officers and virtue influences are considered.

The decline branch of the triple-harmony phase. Monthly flourishing, six harmony and monthly punishment are considered together.

The level officer 平. Monthly punishment, monthly sha, heavenly officer and virtue relationships are considered by month.

The receive officer 收. Robbery sha, monthly punishment, great time and virtue relationships are considered by month.

The close officer 閉. Monthly sha, heavenly officer and virtue relationships are considered together.

The six auspicious spirits in the twelve-path cycle. This supporting influence does not override principal influences.

The six black-path spirits in the twelve-path cycle. This supporting influence does not override principal influences.

除, 危, 定, 執, 成 and 開 count as supporting auspicious officers. Differences between traditions have less weight than principal influences.

建, 滿, 平, 收 and 閉 count as supporting inauspicious officers. 破 is not counted again because it already constitutes month break.

The day-stem phase is 旺 or 相 relative to the solar-month phase under the use-day convention. 辰, 戌, 丑 and 未 months use earth.

The day-stem phase is 囚 or 死 relative to the solar-month phase under the use-day convention. 休 is neutral.

Moving references use explicit favorable and prohibited entries for 般移・移徙 in traditional texts. They are separate from Son-eomneun days.

Marriage references use explicit favorable and prohibited entries for 嫁娶. Personal compatibility and birth charts are not assessed.

Contract references use traditional entries for 立券・交易, drawing up documents and transactions. Legal or financial suitability is not assessed.

Funeral references use traditional 安葬 entries for interment. They cover selected burial-stage rules, not every part of a modern funeral.

Ritual references use traditional 祭祀 entries. Unlike other activities, exceptions for month break or four wastes alone are distinguished from prohibitions when influences overlap.

Grave-relocation references use selected 啟攢 rules for opening the former burial in preparation for relocation. New interment is a separate stage covered by 安葬.

The corrected list of thirteen day pillars in Volume 5 supplies a favorable reference for interment.

The corrected list of eleven day pillars in Volume 5 supplies a favorable reference for opening a former burial.

Only the 申-month, 滿-officer, 戌-day condition explicitly given for ritual restrictions is applied, without extending it to other heavenly-dog conventions.