Sî-sîn (時辰) sī kó͘-chá Tang-a ēng 12 ê tē-chi lâi kì sî-kan ê hong-sek; iā chiū sī kā chi̍t kang ê sî-kan pun chò 12 sî-sîn. Nā ōaⁿ-sǹg chò hiān-tāi ê sî-kan tan-ūi, 1 sî-sîn téng-î 2 tiám-cheng.

Tē-chi Sî-tōaⁿ Khai-sí Tiong-kan Oân-kiat Phian-miâ
夜半 23:00 00:00 01:00 Saⁿ-keⁿ
鷄鳴 01:00 02:00 03:00 Sì-keⁿ
平旦 03:00 04:00 05:00 Gō͘-keⁿ
日出 05:00 06:00 07:00
食時 07:00 08:00 09:00
隅中 09:00 10:00 11:00
日中 11:00 12:00 13:00
日昳 13:00 14:00 15:00
哺時 15:00 16:00 17:00
日入 17:00 18:00 19:00
Hông-hun 19:00 20:00 21:00 Chho͘-keⁿ
人定 21:00 22:00 23:00 Jī-keⁿ