A. Excluding those offices which must remain open for the continuation of essential public services such as police and fire protection, the public offices of the City shall be closed on Saturdays, Sundays and alternating Fridays, and on those holidays designated by resolution or ordinance of the City Council.
B. Notwithstanding the foregoing provisions of this Section, the City Manager shall be authorized, by administrative regulation or otherwise, to direct that all or a portion of the public offices of the City shall remain open for business, on a full or reduced staff basis, on any of the days or holidays prescribed above, when he/she determines it to be necessary in the public interest to do so.