According to Chinese traditional (Northern parts), married daughters only go back to their parents place on the second day of CNY. Folk lore says that it will bring bad luck and cause fortune to deplete to the married daughter's parents side if she goes back on the 1st of CNY. But of course that is past tradition, nowadays it depends on individual preferences.
It depends whether your maternal side pantang anot. If they are not, then maybe ask your husband what are his concerns? But for me, because my dad specifically instructed me not to go to his house on CNY day 1 because he still want to hust whole year HAHAHA ok so first day I won’t go to any of my side of family (relatives included).
they are still people 'pantang' maybe ask your husband why he rejected