Many tourist spots in Kanazawa are closed the year-end and the new years days.
You should check the information before going for sightseeing !
Further information is below. (* Japanese)
https://www.kanazawa-kankoukyoukai.or.jp/lsc/upfile/info/0000/0213/213_2_file.pdf
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・Kenrokuen Garden : Open all-year-round (Dec. 31st ～ Jan. 3rd open for free of charge
（Dec. 31st 5:00pm ～Jan. 1st 8:00am open all night * No illumination)
・Kanazawa Castle Park：Open all-year-round
（Dec. 31st 5:00pm ～Jan. 1st 8:00am open all night
* Illuminated from sunset～9:00pm on Dec. 31st)
・Ishikawa Local Products Center：Open
・Omicho Market ：Closed from Jan. 1st～4th (some shops are open）
・Higashi Chaya District (geisha area) ： Closing day depends on each shop
Shima：Open all-year-round
Kaikaro：Open Dec. 31st～Jan. 3rd
・Myoryuji（Ninjya Temple）：Closed Jan.1st and 2nd
・Nagamachi Samurai District： Closing day depends on each shop
Nomura Samurai House：Closed Dec. 27th, Jan. 1st and 2nd
・21st Centrury Museum of Comtemporary Art. Kanazawa：Closed Dec. 29th～Jan.1st and 4th
・National Crafts Museum：Closed Dec. 28th～Jan. 1st
・D.T. Suzuki Museuｍ：Closed Dec. 29th～Jan. 3rd
・Ishikawa Prefectual Museum of Art：Closed Dec. 29th～Jan. 3rd
＊Cafe Le Musee de H KANAZAWA is closed on Dec. 29th.