Calendar

Basics of Calendar

A calendar is a systematic arrangement of day, week and month in a defined pattern.

Gregorian calendar is the world’s most popular calendar. It also happens to be the Indian National Calendar.

Each day is supposed to begin at mid night.

• Day
  Every 24 hours constitute a day. It is the smallest unit of a calendar.
  A day is the 7th part of a week.

• Week
  It is a grouping of 7 days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday

Q. If today is Sunday, then what day of the week will be 3 days after tomorrow?

(a) Thursday		(b) Wednesday	   (c) Saturday		 (d) Friday 

Explanation:

Q. If day before yesterday was Wednesday, when will Sunday be?

(a) 3 days after today  (b) Tomorrow  (c) Today  (d) Day after tomorrow

Explanation:

• Month
  A month is the 12th part of a year. It has 28, 29, 30 or 31 days.
  There are 12 months in a year.

• Year
  It is the time taken by Earth to make one revolution around the Sun. A year has 12 months. A year is the 100th part of a century.

• Century
  A block of 100 years is called a century.
  Examples of century years: 1100, 1800, 2000, 2100, 2900 etc.

Different types of questions asked:

• Calendar Repetition
• Finding the Day on a Particular Date (a reference day is generally given)