How we know
Every book we use
These are the texts, translations and scholars behind Astro's readings and calendars. We add to this list as we learn more.
Where the planets are
- Swiss Ephemeris (Astrodienst), based on NASA JPL planet data
Skies
Indian sky
- Varahamihira, Brihat Jataka, tr. V. Subrahmanya Sastri (2nd ed., 1956)
- Mantreswara, Phaladeepika, tr. V. Subrahmanya Sastri (1937)
- Vaidyanatha, Jataka Parijata, tr. V. Subrahmanya Sastri (1932)
- Kalaprakasika, tr. N. P. Subramania Iyer (1917)
- Balabhadra, Hayanaratna, ed. and tr. Martin Gansten
- David Pingree, Jyotihshastra: Astral and Mathematical Literature
- Kim Plofker, Mathematics in India
- A. A. Macdonell and A. B. Keith, Vedic Index of Names and Subjects, vol. 1
- A. B. Keith (tr.), Taittiriya Sanhita, Harvard Oriental Series 19
- K. V. Sarma, Descriptive Catalogue of Sanskrit Manuscripts, vol. VII (Adyar Library)
Chinese sky
- Martin Palmer (ed. and tr.), T'ung Shu: The Ancient Chinese Almanac
- Joey Yap, BaZi: The Destiny Code, Books 1 and 2
- Ho Peng Yoke, Chinese Mathematical Astrology: Reaching Out to the Stars
- David W. Pankenier, Astrology and Cosmology in Early China
- Richard J. Smith, Fortune-tellers and Philosophers (1991)
Festival calendars
Buddhist and Tibetan calendars
- Rupert Gethin, The Foundations of Buddhism
- Edward Henning, Kalacakra and the Tibetan Calendar
- Tibetan Calendar 2026, Fire Horse Year 2153 (Edition Rabten)
Jain calendar
- Paul Dundas, The Jains
- Colette Caillat and Ravi Kumar, The Jain Cosmology
Zoroastrian calendar
- Mary Boyce, Zoroastrians: Their Religious Beliefs and Practices
- The Bundahisn, tr. Domenico Agostini and Samuel Thrope
- W. B. Henning, An Astronomical Chapter of the Bundahishn (JRAS, 1942)
- Rohinton Erach Kadva, Compendium of Shenshai Zoroastrian Monthly Calendars (2009)
- Encyclopaedia Iranica, articles on the calendar and the stars
Bahá'í calendar
- Juan R. I. Cole, Modernity and the Millennium
Christian, Islamic, Jewish and Sikh calendars
- Each community's own published calendars, checked city by city