Genesis 1:1 - 31
ESV - 1 In the beginning, God created the heavens and the earth. 2 The earth was without form and void, and darkness was over the face of the deep. And the Spirit of God was hovering over the face of the waters.
For follow-up discussion and general commentary on the topic. Comments are sorted chronologically.
You say, "the markers of a full day." But, the evening and the morning are not the markers of a full day. There is much more daylight remaining in a full day. Why do you suppose the afternoon is unmentioned?