Re: 25th and 26th are public holidays for overseas maids ?
Dec 26, absolutely not.
For Dec 25, you have a choice whether give her off on this date, or 冬至, just either one ONLY.
Your helper is very cunning, take care.
Print her this list, and tell her don't ask ridiculous offer anymore:
Q1. What are the statutory holidays?
A1. An employee is entitled to the following 12 statutory holidays -
1. the first day of January;
2. Lunar New Year's Day;
3. the second day of Lunar New Year;
4. the third day of Lunar New Year;
5. Ching Ming Festival;
6. the first day of May;
7. Tuen Ng Festival;
8. the day following the Chinese Mid-Autumn Festival;
9. Chung Yeung Festival;
10. Chinese Winter Solstice Festival or Christmas Day (at the option of the employer);
11. the first day of July; and
12. the first day of October.
Reference from http://www.labour.gov.hk/eng/faq/cap57f_whole.htm