2 minutes. 27 seconds.
The duration of "Totality" in the southeastern corner of Wyoming, USA on Aug 21, 2017. During "Totality" the moon completely covers the sun, leaving only the solar corona to explode around the sides of the lunar mask.
1 minute. 11 seconds.
The time until the below image emerges as the moon passes across the sun and 3rd Contact begins. In 3rd Contact, Baily’s Beads or the Diamond Ring emerges as one corner of the sun is the first to become visible.