Disclaimer:
the exchange rates are “provided for information purposes only and are not intended to be used in any market transactions, whether directly or indirectly (as an underlying benchmark)”.
Source: European central bank
The ECB reference rates are published on all business days of the TARGET payment system and are not published on the closing days of the TARGET payment system, which include Saturdays and Sundays, 1 January, Good Friday, Easter Monday, 1 May, 25 December and 26 December.