Section 690.30. Search warrants; when executable

1.  A search warrant must be executed not more than ten days after the
  date of issuance and it must thereafter be returned to the court without
  unnecessary delay.
    2.    A search warrant may be executed on any day of the week.  It may
  be executed only between the hours of 6:00 A.M. and  9:00  P.M.,  unless
  the  warrant  expressly  authorizes execution thereof at any time of the
  day or night, as provided in subdivision five of section 690.45.