oh to be in Britain, now that hols are here...

From the professional society I belong to:

The office will be closed from 12 noon on 24th Dec and will re-open at 9 a.m. on 4th January.
XXXXX would like to wish all of its members a very happy Christmas and New Year.

From the postgraduate programme I'm enrolled in, emailed this morning:

The XXXXX is now closed for the Christmas Holidays.
We will be back in the office on Wednesday 06 January,
Merry Christmas to you all.

Weekdays my current employer's office is closed in the next two weeks:

25 December and 1 January.