7 Big Astro Events in Your Lifetime
Your astronomical bucket list—the biggest sky and space highlights of the next half-century you can see with your own eyes.
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All Saints Day
Many churches honor all their saints on All Saints' Day, also known as All Hallows' Day.
All Souls' Day
All Souls’ Day falls on November 2 each year. It is a day of alms giving and prayers for the dead.
AM and PM Explained
How does the 12-hour clock system work? Is midnight 12 am or 12 pm?