diff --git a/library/datetime.po b/library/datetime.po
index ae13bec8e3..0803058e0b 100644
--- a/library/datetime.po
+++ b/library/datetime.po
@@ -931,6 +931,8 @@ msgid ""
 "For example, ``date(2002, 12, 4).weekday() == 2``, a Wednesday. See also :"
 "meth:`isoweekday`."
 msgstr ""
+"回傳一個代表星期幾的整數，星期一為 0、星期日為 6。"
+"例如 ``date(2002, 12, 4).weekday() == 2`` 為星期三。也請參考 :meth:`isoweekday`。"
 
 #: ../../library/datetime.rst:678
 msgid ""