Monday, November 7, 2011

History of the Calendar In Different Countries Through the Ages by M.N. Saha, N.C. Lahiri




This volume contains Part of the Report of the Calendar Reform Committee appointed by the Council of Scientific and Industrial Research (CSIR) on History of the Calendar in different Countries through the Ages.

I. General PRINCIPLES OF CALENDAR MAKING
1. Introduction
2. The Natural periods of fi me
3. The problems of the Calendar
4. Subdivisions of the day
5. Ahargana or heap of days: Julian days

II. THE Solar CALENDAR
1. Time reckonings in Ancient Egypt
2. Solar Calendars of other ancient nations
3. The Iranian Calendar
4. The French Revolution Calendar
5. The Roman Calendar
6. The Gregorian Calendar
7. The World Calendar

III. THE LUNI-SOLAR AND LUNAR CALENDARS
1. Principles of Luni-solar calendars
2. Moon's synodic period or lunation : Empirical relation on between the year and the month
3. The Luni -solar calendars of the Babylonians the Macedonians, the Romans and the Jews
4. The introduction of the era
5. The Jewish Calendar
6. The Islamic Calendar

IV. CALENDARIC ASTRONOMY
1. The Moon's Movement in the sky
2. Long period Observations of the moon : The Chaldean Saros
3. The Gnomon
4. Night observations: the Celestial pole and the equator
5. The apparent path of the Sun in the sky : The Ecliptic
6. The Zodiac and the Signs
7. Chaldean contributions to Astronomy : Rise of Planetary and horoscopic astrology
8. Greek contributions to astronomy
9. Discovery of the precession of the equinoxes















1 comment:

  1. Dear Sir,

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    Thanks,
    Vivekanand

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