15 on the twenty-fourth day of the sixth month.

In the second year of King Darius,

15 In the four and twentieth day of the sixth month, in the second year of Darius the king.

15 on September 21 of the second year of King Darius’s reign.

15 on the twenty-fourth day of the sixth month, in the second year of King Darius.

15 They began on the twenty-fourth day of the sixth month in the second year Darius was king.

15 in the four and twentieth day of the month, in the sixth month, in the second year of Darius the king.

15 in the four and twentieth day of the sixth month, in the second year of Darius the king.

15 They began on the twenty-fourth day of the sixth month in Darius’ second year as king. 

15 on the twenty-fourth day of the sixth month, in the second year of King Darius.

15 on the twenty-fourth day of the month, in the sixth month.

In the second year of King Darius,

15 on the twenty-fourth day of the sixth month in the second year of King Darius.

15 It was the 24th day of the sixth month of the second year that Darius was king.

15 on the twenty-fourth day of the sixth month in the second year of Darius the king.