Christen, ätzet diesen Tag (Christians, engrave this day), BWV 63, is a church cantata by Johann Sebastian Bach. He composed the Christmas cantata for the First Day of Christmas, possibly in 1713 for the Liebfrauenkirche in Halle. He performed it again for his first Christmas as Thomaskantor in Leipzig, on 25 December 1723.

Original Name Christen, ätzet diesen Tag
Librettist Perhaps Johann Michael Heineccius (1674-1722)
Date of composition 1714 (1714–15, rev. 1729?)
Premiered 1714, December 25th in Weimar, Germany
First published 1868 (BGA)
Dedicated to Christmas Day
Type Sacred Cantata
Tonality C Major
Catalogue BWV 63
Spoken language German
Instruments 4x Voice
Chorus/Choir
Orchestra
Links
Autotranslations beta Jean-Sébastien Bach: Christians, etch this Day en do majeur, BWV 63
Johann Sebastian Bach: Christians, etch this Day in do maggiore, BWV 63
Johann Sebastian Bach: Christians, etch this Day C-dur, BWV 63