[1] [CITE@en[SAS Help Center: Microsoft Access Database Files]], [TIME[2023-11-16T12:44:34.000Z]], [TIME[2023-11-25T10:03:36.440Z]] <http://documentation.sas.com/doc/ja/pgmsascdc/9.4_3.5/acpcref/p0psac3j16cioen1nq2hkwrnk55y.htm>

[2] [CITE@en-US[In the year 9999... - The SAS Dummy]], [TIME[2023-11-25T10:03:53.000Z]] <https://blogs.sas.com/content/sasdummy/2010/04/05/in-the-year-9999/>

[3] 関連: [[暦法改良案]],
[[データベースの日時]]