Final answer:
The two national holidays during the Christmas season in the US are Christmas Day and New Year's Day.
Step-by-step explanation:
The two national holidays during the Christmas season in the US are Christmas Day on December 25th and New Year's Day on January 1st.
Christmas Day is a religious holiday celebrated by Christians to commemorate the birth of Jesus Christ. It is a time for families to come together, exchange gifts, and celebrate with festive traditions.
New Year's Day is a secular holiday that marks the beginning of the new year. It is a time for reflection, setting goals, and celebrating with parties and fireworks.