The following is a summary of important dates found in Ussher, James. Annals of the World (1658). Revised and updated by Larry and Marion Pierce. Green Forest, Arkansas: Master Books, 2003.
4004 BC: Sunday, October 23, in the middle of which God created light (Gen. 1:1-5; cf. Job 38:7 [angels singing]) (P1, 2). The first day of creation started at 6 pm the evening before. “And there was evening and there was morning, the first day” (Gen. 1:5b, English Standard Version).
Monday, October 24: second day (Gen. 1:6-8) (P3).
Tuesday, October 25: third day (Gen. 1:9-13) (P4).
Wednesday, October 26: fourth day (Gen. 1:14-19) (P5).
Thursday, October 27: fifth day (Gen. 1:20-23) (P6).
Friday, October 28: sixth day. On this day, God creates man, male and female, in his image (Gen. 1:24-31) (P7).
Saturday, October 29: seventh day. God rests on this first Sabbath (Gen. 2:1-3; cf. Ex. 31:13, 17; Heb. 4:4, 9, 10) (P8).