Plum Blossom Divination · Current Time
Mei Hua Yi Shu — Current-Time Casting
Mei Hua Yi Shu includes multiple ways to form a hexagram from observed numbers and circumstances. Quick I Ching implements one current-time convention and states its calendar choices explicitly rather than presenting them as the only traditional rule.
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Classical arithmetic behind the convention
The current-time rule uses a 1–12 year number, month and day for the upper trigram; adding the 1–12 hour branch gives the lower trigram and moving line. Division remainders map to the eight trigrams and six line positions.
Quick I Ching preserves that arithmetic while making a specific civil-calendar choice for an international web tool.
Quick I Ching’s calendar choices
- Year: Gregorian year converted to its terrestrial-branch ordinal, with 2020 as Zi = 1.
- Month/day: Gregorian civil month and date, not lunar-calendar values.
- Hour: the 12 earthly branches; Zi is 23:00–00:59.
- Zi rollover: 23:00 uses the next Gregorian formula date.
- Timezone: the user-confirmed IANA zone determines local civil time and DST.
- Leap month: not applicable because this convention does not use lunar months; Gregorian leap day is handled normally.
How to interpret the result
Current-time casting creates one moving line. Read the primary hexagram as the starting pattern, then note the single changing position and the relating hexagram created by reversing that line. The free text remains a general reflection framework, not a claim that the timestamp determines a fixed future.