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Whitakers 2016 cover
Detailed information on different measurements of time, religious calendars, the civil and legal calendar, chronological cycles and eras, Roman calendar, geological time and human development.
Print publication date: Jan, 2019
Word count: 10,482
Time Measurement and Calendars
Measurements of time are based on the time taken by the Earth to rotate on its axis (day); by the Moon to revolve around the Earth (month); and by the...
Word count: 1,135
Time Measurement and Calendars
 In the Christian chronological system the years are distinguished by cardinal numbers before or after the birth of Christ, the...
Word count: 2,495
Time Measurement and Calendars
 The Hindu calendar is a luni-solar calendar of 12 months, each containing 29 days, 12 hours.
Word count: 593
Time Measurement and Calendars
 The story of the Flood in the Book of Genesis indicates the use of a calendar of some kind and that the writers recognised 30 days as the...
Word count: 955
Time Measurement and Calendars
 The Muslim era is dated from the Hijrah, or flight of the Prophet Muhammad from Mecca to Medina, the corresponding date of which in the...
Word count: 720
Time Measurement and Calendars
 The Sikh calendar is a lunar calendar of 365 days divided into 12 months. The length of the months varies between 29 and 32 days.
Word count: 125
Time Measurement and Calendars
Thailand adopted the Suriyakati calendar, a modified version of the Gregorian calendar, during the reign of King Rama V in 1888, using 1 April as...
Word count: 174
Time Measurement and Calendars
 Before 1752, two calendar systems were used in England. The civil or legal year began on 25 March and the historical year on 1 January.
Word count: 852
Time Measurement and Calendars
The solar cycle is a period of 28 years; in any corresponding year of each cycle the days of the week recur on the same day of the month.
Word count: 1,258
Time Measurement and Calendars
 Roman historians adopted as an epoch the foundation of Rome, which is believed to have happened in the year 753 BC.
Word count: 346
Time Measurement and Calendars
There were two great phases of mountain building in the Palaeozoic era: the Caledonian, characterised in Britain by NE–SW lines of hills and...
Word count: 465
Time Measurement and Calendars
 All members of the human race belong to one species of animal, Homo sapiens, the definition of a species being in biological terms that...
Word count: 1,285