Optional bank holidays within the meaning of Section 9 are:

1. (a) Any closing of a bank because of an extraordinary situation, as that term is defined in the Bank Extraordinary Situation Closing Act (Chapter 20 (commencing with Section 3600) of Division 1 of the Financial Code).
2. (b) Every Saturday.
3. (c) Every Sunday.
4. (d) January 1st.
5. (e) The third Monday in January, known as “Dr. Martin Luther King, Jr. Day.”
6. (f) February 12, known as “Lincoln Day.”
7. (g) The third Monday in February.
8. (h) The last Monday in May.
9. (i) July 4th.
10. (j) The first Monday in September.
11. (k) September 9th, known as “Admission Day.”
12. (l) The second Monday in October, known as “Columbus Day.”
13. (m) November 11th, known as “Veteran’s Day.”
14. (n) December 25th.
15. (o) Good Friday from 12 noon until closing.
16. (p) The Thursday in November appointed as “Thanksgiving Day.”
17. (q) Any Monday following any Sunday on which January 1st, February 12th, July 4th, September 9th, November 11th, or December 25th falls.
18. (r) Any Friday preceding any Saturday on which July 4th, September 9th, or December 25th falls.