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Tāi-hân (大寒) sī cheh-khùi chi it, Ji̍t-thaû se̍h kaù chhiah-keng 300° ~ 315° hit kúi kang. Thong-siong ùi 1/20 kaù 2/4. Tāi-hân mā ē tit kí Ji̍t-thaû tú-hó tī chhiah-keng 300° hit kang, khó-lêng sī 1/20 iah sī 1/21.