Christmas Day
Christmas Day is one of the biggest Christian celebrations and falls on December 25 in the Gregorian calendar.
Christmas Day is one of the biggest Christian celebrations and falls on December 25 in the Gregorian calendar.
Many Christians all over the world annually observe Pentecost, also known as Whitsunday or Whit Sunday.
How does the 12-hour clock system work? Is midnight 12 am or 12 pm?
Why do many countries set the clocks back and forth an hour twice a year?