2 Maccabees 15:36
And they ordained all with a common decree in no case to let that day pass without solemnity, but to celebrate the thirteenth day of the twelfth month, which in the Syrian tongue is called Adar, the day before Mardocheus’ day.And they ordained all with a common decree in no case to let that day pass without solemnity, but to celebrate the thirteenth day of the twelfth month, which in the Syrian tongue is called Adar, the day before Mardocheus’ day.