Appendix · Additional Notes

Chuksi represents the time when ㅡ (eu) opens, from 1 AM
    to 3 AM. This is when the Earth slowly begins its activity,
    and life starts to awaken.
    Insi represents the time when ㅣ(i) opens, from 3 AM to 5
    AM. At this moment, the energy of brightness becomes fully
    active, life sprouts, and human activity begins.
    These three time periods symbolize the transition from night
    to day, demonstrating the natural cycle of darkness giving
    way to light.


    4. Fanqie method for representing Chinese pronunciation

    The Fanqie method is a traditional Chinese phonetic system
    used to represent the pronunciation of Chinese characters by
    dividing a character into its initial consonant and the rest.
    The initial sound is called the shengmu (initial), and the
    remaining sound, which includes the medial and final
    sounds, is called the yunmu (rhyme).
    For example, the Chinese character dong, representing the
    east, is phonetically represented using the initial sound of the
    character deok, which starts with the consonant ㄷ, and the
    medial and final sounds of the character hong, which ends
    with ㅗ and ㅇ.



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