What Is Plum Blossom Divination? (And Why It Works)
A practical guide to the most direct divination method in the I Ching tradition — no coins, no stalks, just the moment you’re in.
The Short Answer
Plum Blossom Divination (梅花易数, Mei Hua Yi Shu) is a method of consulting the I Ching that uses the current moment — specifically the time and date — to generate a hexagram, rather than relying on coins, yarrow stalks, or random number generators.
You ask a question. The universe answers through the coordinates of the moment. That’s it.
The Slightly Longer Answer
The I Ching (易經, Book of Changes) is built around 64 hexagrams — six-line figures where each line is either solid (yang, ━━━━) or broken (yin, ━ ━). Each hexagram represents a specific situation, state, or dynamic in the world.
Traditional I Ching methods use physical tools to generate randomness:
– Yarrow stalks — 50 stalks, a complex counting ritual, ~20 minutes per reading
– Three coins — toss six times, faster but still requires tools and ritual
The Plum Blossom Method, developed by the Song Dynasty philosopher Shao Yong (1011–1077), takes a different approach entirely: the hexagram is determined by the time of the casting.
No tools. No randomness. Just the cosmic coordinates of the present moment.
How a Cast Works
Step 1: The Time
When you cast, the app captures the current date and time — and, if you allow it, your geographic location. This is converted to the Chinese calendar system, which is based on solar terms (節氣) — the 24 seasonal markers that divide the year into precise astronomical segments.
From this, four numbers are extracted:
- Year Branch — Based on the Chinese zodiac year (e.g., 2026 is the Year of the Horse, 午, which is branch 7)
- Month — Based on the solar term, not the calendar month (e.g., “Great Cold” in late January is month 12, not month 1)
- Day — The day number within the lunar month
- Hour Branch — The Chinese hour, which divides the day into 12 two-hour periods (e.g., 3–5 PM is the Hour of the Monkey, branch 9)
Step 2: The Upper Trigram
Add the year + month + day numbers together. Divide by 8. The remainder (1–8) gives you the upper trigram — the top three lines of the hexagram.
Step 3: The Lower Trigram
Add the year + month + day + hour numbers together. Divide by 8. The remainder gives you the lower trigram — the bottom three lines.
Step 4: The Changing Line
Add all four numbers together. Divide by 6. The remainder (1–6) tells you which line is changing — the line that transforms from yang to yin or yin to yang, producing a second hexagram called the changed hexagram (之卦).
The Three Hexagrams
Each cast produces three hexagrams:
- Original Hexagram (本卦) — The starting situation, the current state of things
- Nuclear Hexagram (互卦) — The hidden dynamic, what’s really going on beneath the surface (formed from lines 2-3-4 as the lower trigram and lines 3-4-5 as the upper trigram of the original)
- Changed Hexagram (之卦) — Where things are heading, the likely outcome
Together, these three tell a story: where you are, what’s really happening, and where it’s going.
The Five Elements: Reading the Relationship
Each trigram corresponds to one of the Five Elements (五行):
| Trigram | Element | Direction | Season |
|---|---|---|---|
| ☰ Qian (Heaven) | Metal | NW | Late Autumn |
| ☱ Dui (Lake) | Metal | W | Autumn |
| ☲ Li (Fire) | Fire | S | Summer |
| ☳ Zhen (Thunder) | Wood | E | Spring |
| ☴ Xun (Wind) | Wood | SE | Late Spring |
| ☵ Kan (Water) | Water | N | Winter |
| ☶ Gen (Mountain) | Earth | NE | Late Winter |
| ☷ Kun (Earth) | Earth | SW | Late Summer |
The upper trigram represents Ti (體) — the Self, the subject, you. The lower trigram represents Yong (用) — the World, the object, the situation you’re asking about.
Their elemental relationship tells you how things are likely to play out:
- Ti produces Yong — You’re in a position to influence the situation. Favorable.
- Yong produces Ti — The situation supports you. Highly favorable.
- Ti and Yong are the same element — Mutual benefit (比和). Harmony and stability.
- Ti destroys Yong — You have power over the situation, but it may be draining. Demanding but achievable.
- Yong destroys Ti — The situation is working against you. Challenging. Requires strategy, not force.
This isn’t about “good luck” or “bad luck.” It’s about understanding the energy dynamics so you can act appropriately — sometimes that means pushing forward, sometimes it means waiting, and sometimes it means stepping aside.
Other Cast Methods
Number Cast (Manual)
Instead of using the current time, you can use any numbers you encounter — a license plate, a phone number, the time on a clock, a number that keeps appearing. This is the “observational” method: you notice something in the environment and use it to generate the hexagram.
The principle is the same: the moment you notice the number, the cosmic pattern is already expressing itself through that observation.
Sound Cast (觀物 — Guan Wu)
This is Shao Yong’s most elegant method — and the one that gives the Plum Blossom Method its name. You count sounds: the number of bird calls, the number of knocks on a door, the number of times a sound repeats. The first count gives the upper trigram, the second count gives the lower trigram.
This is the method where the Plum Blossom origin story comes in — Shao Yong watching two sparrows fight on a plum branch, counting their movements, and predicting the branch would break.
Life Hexagram (命卦)
Based on your birth date and time, you have a permanent natal hexagram — the cosmic pattern of your entry into the world. This doesn’t change. It represents your baseline energy, your constitutional dynamic.
When you cast for a specific question, the reading can be compared against your Life Hexagram to provide personalized context — how this particular situation relates to your fundamental nature.
What the App Does
Free Features
- Instant Cast — Uses your GPS location and the current time to generate a precise hexagram
- Number Cast — Manual number entry for observational divination
- Visual Hexagram Display — Three hexagrams (Original, Nuclear, Changed) with proper bar graphics and changing line animation
- Trigram Names & Element Analysis — Shows the trigram relationship and what it means
- Solar Term Info — Displays the current Chinese calendar context (solar term, year branch, month, day)
- Journal — Save readings locally and review them
- Cloud Sync — Sync your journal across devices (when logged in)
Premium Features
- Sound Cast (觀物) — Tap to count sounds for the Guan Wu method
- Life Hexagram (命卦) — Your permanent natal hexagram based on birth date
- Cosmic Clock (皇極經世) — Where we are in Shao Yong’s grand cosmic cycle
- Daymaster Analysis — Personalized readings based on your birth element
- Question Category Analysis — Element interpretations specific to business, relationships, health, etc.
- Unlimited Cloud Journal — Full sync and history
A Note on Interpretation
The Plum Blossom Method gives you a structural reading — the hexagram, the changing line, the element relationships. It doesn’t give you a fortune-cookie answer. It gives you a framework for understanding.
The best way to use it is to treat each cast as a mirror: the hexagram reflects back the dynamics of your situation in a symbolic language. Your job is to connect that symbolism to the specifics of your question.
If the reading says “Earth over Water” — Earth controls Water — that’s a dynamic of restraint. The question is: what in your situation is the Earth (containing, limiting) and what is the Water (flowing, wanting to move)? How you answer that tells you what to do.
The method works not because it’s magical, but because it gives you a new angle on your own question. Sometimes that’s all you need.
Read first: Shao Yong: The Mind Behind the Plum Blossom