December 24 – working day, shortened by 1 hour
December 25 – holiday
From December 29, 2019 to January 1, 2020 and from January 4, 2020 to January 7, 2020 – days off and holidays;
working day Monday December 30, 2019 – is rescheduled to Saturday December 21, 2019; working day Tuesday December 31, 2019 – is rescheduled to Saturday December 28, 2019 and shortened by one hour; working day Monday January 6, 2020 – is rescheduled to Saturday January 11, 2020 and shortened by one hour.
