Some 曆法 functions return invalid result

[statementreply]

Describe your issue/suggestions

吾嘗觀「「曆法」」之書。方悟「言彼之時刻」「彼秒何秒」之義。
有數一五七八三七六九五九·七八八。名之曰「紀元時」。
噫。施「言彼之時刻」於「紀元時」。書之。
噫。施「彼秒何秒」於「紀元時」。書之。

Prints:

未正初刻二分三十undefined秒
[object Object]

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