銀行工作日（Banking day）依據UCP600（ICC跟單信用證統一慣例）第2條Definitions: banking day means a day on which a bank is regularly open at the place at which an act subject to these rules is to be performed. 銀行工作日指銀行在其履行受本慣例約束的行為的地點通常開業的一天。
依據ISP98（國際備用證慣例）規則1：總則：1.09術語定義：
營業日（Business Day）是指有關行為履行的營業地通常開業的一天。
銀行日（Banking Day）是指在有關行為履行地有關銀行通常開業的一天。
Business Day means a day on which the place of business at which the relevant act is to be performed is regularly open.
Banking Day means a day on which the relevant bank is regularly open at the place at which the relevant act is to be performed.
CDCS教材4.4.1
For example, if a bank is regularly open Monday to Friday, and also opens on a Saturday, but only to perform general banking services, Saturday is not considered a banking day for UCP purposes. If, however, the same bank were open on Saturday for a half or full day to perform the handling of documentary credits, either would count as a banking day.
銀行工作日（Banking day）依據UCP600（ICC跟單信用證統一慣例）第2條Definitions: banking day means a day on which a bank is regularly open at the place at which an act subject to these rules is to be performed. 銀行工作日指銀行在其履行受本慣例約束的行為的地點通常開業的一天。
依據ISP98（國際備用證慣例）規則1：總則：1.09術語定義：
營業日（Business Day）是指有關行為履行的營業地通常開業的一天。
銀行日（Banking Day）是指在有關行為履行地有關銀行通常開業的一天。
Business Day means a day on which the place of business at which the relevant act is to be performed is regularly open.
Banking Day means a day on which the relevant bank is regularly open at the place at which the relevant act is to be performed.
CDCS教材4.4.1
For example, if a bank is regularly open Monday to Friday, and also opens on a Saturday, but only to perform general banking services, Saturday is not considered a banking day for UCP purposes. If, however, the same bank were open on Saturday for a half or full day to perform the handling of documentary credits, either would count as a banking day.
翻譯成中文就是：如果一家銀行通常在週一至週五開業，但也在週六開業，但僅履行一般的銀行業務，週六在UCP看來不視為銀行日。而如果週六有半天或一天履行了信用證業務，那就視為銀行日。