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.
Elsewhere on timeanddate.com
Eid al-Adha
Eid al-Adha (Id ul-Adha) is an Islamic festival falling on the 10th day of the month of Dhul Hijja (Thou al-Hijja) to commemorate the willingness of Ibrahim (Abraham) to sacrifice his son.
All Saints’ Day
Many churches honor all their saints on All Saints' Day, also known as All Hallows' Day.
AM and PM Explained
How does the 12-hour clock system work? Is midnight 12 am or 12 pm?