Noleli’s Twitter Archive—№ 26,087

Earth’s axial tilt is 23.5°. On the solstice, the angle of the solar terminator is at its max, equal to axial tilt. You can see this at 18:00, halfway between noon & midnight. The GOES-16 satellite is in geostationary orbit at 75.2° W, which puts it at about UTC-5. So, 22:00 UTC.