Howbeit that was not first which is spiritual, but that which is natural; and afterward that which is spiritual.
Our natural man is completed after 266, days. So shall the new spiritual man be birthed after 266, days.
The reason why 9/23, 2017, is the birth of the manchild is because It is the 266th day.
Rev. 12:1-2, will occur on this date.A female child from conception to birth is 266 days.
A male child from conception to birth 271, days.
2017, the year of the birth.
923 + 266 = 1,189, there are 1,189, chapters in bible.
266 / 923 = ~ .288, those skilled in songs is 288.
1 Chronicles 25:7