ChristmasDay represents Christmas Day on 25-Dec.

ChristmasHoliday represents the day after Christmas on 26-Dec.

EasterMonday represents Easter Monday - the day after Easter.

GoodFriday represents Good Friday - two days before Easter.

Holidays provides a list of the standard ECB holidays.

LabourDay represents Labour Day on 1-May.

NewYear represents New Year's Day on 1-Jan.