The planet Mercury reaches greatest eastern elongation of 23.6 degrees from the Sun. This is the best time to view Mercury since it will be at its highest point above the horizon in the evening sky. Look for the planet low in the western sky just after sunset.
Part of the Moon will appear darker as the full Moon passes through the faint outer edge (penumbra) of the Earth’s shadow.
This is of particular interest to astrologically minded folks. See URL for more info…
In the northern hemisphere, this marks the first day of summer and is the day with most hours of light in the year — when the Sun is farthest north. In the southern hemisphere, this is your winter solstice, marking the shortest day of the year.
The annular phase of this solar eclipse is visible from parts of Africa including the Central African Republic, Congo, and Ethiopia; south of Pakistan and northern India; and China. Weather permitting, people in these areas will see the characteristic ring of fire.