Variable: calendar-bahai--twin-birthdays-reference-dates

calendar-bahai--twin-birthdays-reference-dates is a variable defined in cal-bahai.el.gz.

Value

((2015 11 13 11 14) (2016 11 1 11 2) (2017 10 21 10 22)
 (2018 11 9 11 10) (2019 10 29 10 30) (2020 10 18 10 19)
 (2021 11 6 11 7) (2022 10 26 10 27) (2023 10 16 10 17)
 (2024 11 2 11 3) (2025 10 22 10 23) (2026 11 10 11 11)
 (2027 10 30 10 31) (2028 10 19 10 20) (2029 11 7 11 8)
 (2030 10 28 10 29) (2031 10 17 10 18) (2032 11 4 11 5)
 (2033 10 24 10 25) (2034 11 12 11 13) (2035 11 1 11 2)
 (2036 10 20 10 21) (2037 11 8 11 9) (2038 10 29 10 30)
 (2039 10 19 10 20) (2040 11 6 11 7) (2041 10 26 10 27)
 (2042 10 15 10 16) (2043 11 3 11 4) (2044 10 22 10 23)
 (2045 11 10 11 11) (2046 10 30 10 31) (2047 10 20 10 21)
 (2048 11 7 11 8) (2049 10 28 10 29) (2050 10 17 10 18)
 (2051 11 5 11 6) (2052 10 24 10 25) (2053 11 11 11 12)
 (2054 11 1 11 2) (2055 10 21 10 22) (2056 11 8 11 9)
 (2057 10 29 10 30) (2058 10 18 10 19) (2059 11 6 11 7)
 (2060 10 25 10 26) (2061 10 14 10 15) (2062 11 2 11 3)
 (2063 10 23 10 24) (2064 11 10 11 11))

Documentation

Official Twin Holy Birthday dates from the Bahá’í World Centre (2015-2064).

Each entry is (GREGORIAN-YEAR BAB-MONTH BAB-DAY BAHA-MONTH BAHA-DAY).

The Birth of the Báb and the Birth of Bahá’u’lláh are celebrated on consecutive days, determined by the eighth new moon after Naw-Rúz. These dates move through the Gregorian calendar, typically falling between mid-October and mid-November (Bahá’í months of Mashíyyat,
'Ilm, and Qudrat).

Source Code

;; Defined in /usr/src/emacs/lisp/calendar/cal-bahai.el.gz
(defconst calendar-bahai--twin-birthdays-reference-dates
  '(;; (GREG-YEAR BAB-MONTH BAB-DAY BAHA-MONTH BAHA-DAY)
    (2015 11 13 11 14) (2016 11  1 11  2) (2017 10 21 10 22)
    (2018 11  9 11 10) (2019 10 29 10 30) (2020 10 18 10 19)
    (2021 11  6 11  7) (2022 10 26 10 27) (2023 10 16 10 17)
    (2024 11  2 11  3) (2025 10 22 10 23) (2026 11 10 11 11)
    (2027 10 30 10 31) (2028 10 19 10 20) (2029 11  7 11  8)
    (2030 10 28 10 29) (2031 10 17 10 18) (2032 11  4 11  5)
    (2033 10 24 10 25) (2034 11 12 11 13) (2035 11  1 11  2)
    (2036 10 20 10 21) (2037 11  8 11  9) (2038 10 29 10 30)
    (2039 10 19 10 20) (2040 11  6 11  7) (2041 10 26 10 27)
    (2042 10 15 10 16) (2043 11  3 11  4) (2044 10 22 10 23)
    (2045 11 10 11 11) (2046 10 30 10 31) (2047 10 20 10 21)
    (2048 11  7 11  8) (2049 10 28 10 29) (2050 10 17 10 18)
    (2051 11  5 11  6) (2052 10 24 10 25) (2053 11 11 11 12)
    (2054 11  1 11  2) (2055 10 21 10 22) (2056 11  8 11  9)
    (2057 10 29 10 30) (2058 10 18 10 19) (2059 11  6 11  7)
    (2060 10 25 10 26) (2061 10 14 10 15) (2062 11  2 11  3)
    (2063 10 23 10 24) (2064 11 10 11 11))
  "Official Twin Holy Birthday dates from the Bahá’í World Centre (2015-2064).
Each entry is (GREGORIAN-YEAR BAB-MONTH BAB-DAY BAHA-MONTH BAHA-DAY).

The Birth of the Báb and the Birth of Bahá’u’lláh are celebrated on
consecutive days, determined by the eighth new moon after Naw-Rúz.
These dates move through the Gregorian calendar, typically falling
between mid-October and mid-November (Bahá’í months of Mashíyyat,
\\='Ilm, and Qudrat).")