Talk:Mayan calendar

From Rosetta Code

Reference dates

For reference, here are several dates in Gregorian and Mayan.

Around the roll over.

    Gregorian   Tzolk’in        Haab               Long           Lord of
      Date       # Name       Day Month            Count         the Night
   2012-12-15   11 Hix         17 Mak            12.19.19.17.14     G3
   2012-12-16   12 Men         18 Mak            12.19.19.17.15     G4
   2012-12-17   13 Kib         19 Mak            12.19.19.17.16     G5
   2012-12-18    1 Kaban     Chum K’ank’in       12.19.19.17.17     G6
   2012-12-19    2 Etz’nab      1 K’ank’in       12.19.19.17.18     G7
   2012-12-20    3 Kawak        2 K’ank’in       12.19.19.17.19     G8
   2012-12-21    4 Ajaw         3 K’ank’in       13.0.0.0.0         G9
   2012-12-22    5 Imix         4 K’ank’in       13.0.0.0.1         G1
   2012-12-23    6 Ik’          5 K’ank’in       13.0.0.0.2         G2
   2012-12-24    7 Ak’bal       6 K’ank’in       13.0.0.0.3         G3
   2012-12-25    8 K’an         7 K’ank’in       13.0.0.0.4         G4

First quarter 2019:

    Gregorian   Tzolk’in        Haab               Long           Lord of
      Date       # Name       Day Month            Count         the Night
   2019-01-01    9 Ik’         15 K’ank’in       13.0.6.2.2         G6
   2019-01-02   10 Ak’bal      16 K’ank’in       13.0.6.2.3         G7
   2019-01-03   11 K’an        17 K’ank’in       13.0.6.2.4         G8
   2019-01-04   12 Chikchan    18 K’ank’in       13.0.6.2.5         G9
   2019-01-05   13 Kimi        19 K’ank’in       13.0.6.2.6         G1
   2019-01-06    1 Manik’    Chum Muwan          13.0.6.2.7         G2
   2019-01-07    2 Lamat        1 Muwan          13.0.6.2.8         G3
   2019-01-08    3 Muluk        2 Muwan          13.0.6.2.9         G4
   2019-01-09    4 Ok           3 Muwan          13.0.6.2.10        G5
   2019-01-10    5 Chuwen       4 Muwan          13.0.6.2.11        G6
   2019-01-11    6 Eb           5 Muwan          13.0.6.2.12        G7
   2019-01-12    7 Ben          6 Muwan          13.0.6.2.13        G8
   2019-01-13    8 Hix          7 Muwan          13.0.6.2.14        G9
   2019-01-14    9 Men          8 Muwan          13.0.6.2.15        G1
   2019-01-15   10 Kib          9 Muwan          13.0.6.2.16        G2
   2019-01-16   11 Kaban       10 Muwan          13.0.6.2.17        G3
   2019-01-17   12 Etz’nab     11 Muwan          13.0.6.2.18        G4
   2019-01-18   13 Kawak       12 Muwan          13.0.6.2.19        G5
   2019-01-19    1 Ajaw        13 Muwan          13.0.6.3.0         G6
   2019-01-20    2 Imix        14 Muwan          13.0.6.3.1         G7
   2019-01-21    3 Ik’         15 Muwan          13.0.6.3.2         G8
   2019-01-22    4 Ak’bal      16 Muwan          13.0.6.3.3         G9
   2019-01-23    5 K’an        17 Muwan          13.0.6.3.4         G1
   2019-01-24    6 Chikchan    18 Muwan          13.0.6.3.5         G2
   2019-01-25    7 Kimi        19 Muwan          13.0.6.3.6         G3
   2019-01-26    8 Manik’    Chum Pax            13.0.6.3.7         G4
   2019-01-27    9 Lamat        1 Pax            13.0.6.3.8         G5
   2019-01-28   10 Muluk        2 Pax            13.0.6.3.9         G6
   2019-01-29   11 Ok           3 Pax            13.0.6.3.10        G7
   2019-01-30   12 Chuwen       4 Pax            13.0.6.3.11        G8
   2019-01-31   13 Eb           5 Pax            13.0.6.3.12        G9
   2019-02-01    1 Ben          6 Pax            13.0.6.3.13        G1
   2019-02-02    2 Hix          7 Pax            13.0.6.3.14        G2
   2019-02-03    3 Men          8 Pax            13.0.6.3.15        G3
   2019-02-04    4 Kib          9 Pax            13.0.6.3.16        G4
   2019-02-05    5 Kaban       10 Pax            13.0.6.3.17        G5
   2019-02-06    6 Etz’nab     11 Pax            13.0.6.3.18        G6
   2019-02-07    7 Kawak       12 Pax            13.0.6.3.19        G7
   2019-02-08    8 Ajaw        13 Pax            13.0.6.4.0         G8
   2019-02-09    9 Imix        14 Pax            13.0.6.4.1         G9
   2019-02-10   10 Ik’         15 Pax            13.0.6.4.2         G1
   2019-02-11   11 Ak’bal      16 Pax            13.0.6.4.3         G2
   2019-02-12   12 K’an        17 Pax            13.0.6.4.4         G3
   2019-02-13   13 Chikchan    18 Pax            13.0.6.4.5         G4
   2019-02-14    1 Kimi        19 Pax            13.0.6.4.6         G5
   2019-02-15    2 Manik’    Chum K’ayab         13.0.6.4.7         G6
   2019-02-16    3 Lamat        1 K’ayab         13.0.6.4.8         G7
   2019-02-17    4 Muluk        2 K’ayab         13.0.6.4.9         G8
   2019-02-18    5 Ok           3 K’ayab         13.0.6.4.10        G9
   2019-02-19    6 Chuwen       4 K’ayab         13.0.6.4.11        G1
   2019-02-20    7 Eb           5 K’ayab         13.0.6.4.12        G2
   2019-02-21    8 Ben          6 K’ayab         13.0.6.4.13        G3
   2019-02-22    9 Hix          7 K’ayab         13.0.6.4.14        G4
   2019-02-23   10 Men          8 K’ayab         13.0.6.4.15        G5
   2019-02-24   11 Kib          9 K’ayab         13.0.6.4.16        G6
   2019-02-25   12 Kaban       10 K’ayab         13.0.6.4.17        G7
   2019-02-26   13 Etz’nab     11 K’ayab         13.0.6.4.18        G8
   2019-02-27    1 Kawak       12 K’ayab         13.0.6.4.19        G9
   2019-02-28    2 Ajaw        13 K’ayab         13.0.6.5.0         G1
   2019-03-01    3 Imix        14 K’ayab         13.0.6.5.1         G2
   2019-03-02    4 Ik’         15 K’ayab         13.0.6.5.2         G3
   2019-03-03    5 Ak’bal      16 K’ayab         13.0.6.5.3         G4
   2019-03-04    6 K’an        17 K’ayab         13.0.6.5.4         G5
   2019-03-05    7 Chikchan    18 K’ayab         13.0.6.5.5         G6
   2019-03-06    8 Kimi        19 K’ayab         13.0.6.5.6         G7
   2019-03-07    9 Manik’    Chum Kumk’u         13.0.6.5.7         G8
   2019-03-08   10 Lamat        1 Kumk’u         13.0.6.5.8         G9
   2019-03-09   11 Muluk        2 Kumk’u         13.0.6.5.9         G1
   2019-03-10   12 Ok           3 Kumk’u         13.0.6.5.10        G2
   2019-03-11   13 Chuwen       4 Kumk’u         13.0.6.5.11        G3
   2019-03-12    1 Eb           5 Kumk’u         13.0.6.5.12        G4
   2019-03-13    2 Ben          6 Kumk’u         13.0.6.5.13        G5
   2019-03-14    3 Hix          7 Kumk’u         13.0.6.5.14        G6
   2019-03-15    4 Men          8 Kumk’u         13.0.6.5.15        G7
   2019-03-16    5 Kib          9 Kumk’u         13.0.6.5.16        G8
   2019-03-17    6 Kaban       10 Kumk’u         13.0.6.5.17        G9
   2019-03-18    7 Etz’nab     11 Kumk’u         13.0.6.5.18        G1
   2019-03-19    8 Kawak       12 Kumk’u         13.0.6.5.19        G2
   2019-03-20    9 Ajaw        13 Kumk’u         13.0.6.6.0         G3
   2019-03-21   10 Imix        14 Kumk’u         13.0.6.6.1         G4
   2019-03-22   11 Ik’         15 Kumk’u         13.0.6.6.2         G5
   2019-03-23   12 Ak’bal      16 Kumk’u         13.0.6.6.3         G6
   2019-03-24   13 K’an        17 Kumk’u         13.0.6.6.4         G7
   2019-03-25    1 Chikchan    18 Kumk’u         13.0.6.6.5         G8
   2019-03-26    2 Kimi        19 Kumk’u         13.0.6.6.6         G9
   2019-03-27    3 Manik’    Chum Wayeb          13.0.6.6.7         G1
   2019-03-28    4 Lamat        1 Wayeb          13.0.6.6.8         G2
   2019-03-29    5 Muluk        2 Wayeb          13.0.6.6.9         G3
   2019-03-30    6 Ok           3 Wayeb          13.0.6.6.10        G4
   2019-03-31    7 Chuwen       4 Wayeb          13.0.6.6.11        G5
   2019-04-01    8 Eb        Chum Pop            13.0.6.6.12        G6
   2019-04-02    9 Ben          1 Pop            13.0.6.6.13        G7
   2019-04-03   10 Hix          2 Pop            13.0.6.6.14        G8
   2019-04-04   11 Men          3 Pop            13.0.6.6.15        G9
   2019-04-05   12 Kib          4 Pop            13.0.6.6.16        G1
   2019-04-06   13 Kaban        5 Pop            13.0.6.6.17        G2
   2019-04-07    1 Etz’nab      6 Pop            13.0.6.6.18        G3
   2019-04-08    2 Kawak        7 Pop            13.0.6.6.19        G4
   2019-04-09    3 Ajaw         8 Pop            13.0.6.7.0         G5
   2019-04-10    4 Imix         9 Pop            13.0.6.7.1         G6
   2019-04-11    5 Ik’         10 Pop            13.0.6.7.2         G7
   2019-04-12    6 Ak’bal      11 Pop            13.0.6.7.3         G8
   2019-04-13    7 K’an        12 Pop            13.0.6.7.4         G9
   2019-04-14    8 Chikchan    13 Pop            13.0.6.7.5         G1
   2019-04-15    9 Kimi        14 Pop            13.0.6.7.6         G2
   2019-04-16   10 Manik’      15 Pop            13.0.6.7.7         G3
   2019-04-17   11 Lamat       16 Pop            13.0.6.7.8         G4
   2019-04-18   12 Muluk       17 Pop            13.0.6.7.9         G5
   2019-04-19   13 Ok          18 Pop            13.0.6.7.10        G6
   2019-04-20    1 Chuwen      19 Pop            13.0.6.7.11        G7
   2019-04-21    2 Eb        Chum Wo             13.0.6.7.12        G8
   2019-04-22    3 Ben          1 Wo             13.0.6.7.13        G9
   2019-04-23    4 Hix          2 Wo             13.0.6.7.14        G1
   2019-04-24    5 Men          3 Wo             13.0.6.7.15        G2
   2019-04-25    6 Kib          4 Wo             13.0.6.7.16        G3
   2019-04-26    7 Kaban        5 Wo             13.0.6.7.17        G4
   2019-04-27    8 Etz’nab      6 Wo             13.0.6.7.18        G5
   2019-04-28    9 Kawak        7 Wo             13.0.6.7.19        G6
   2019-04-29   10 Ajaw         8 Wo             13.0.6.8.0         G7
   2019-04-30   11 Imix         9 Wo             13.0.6.8.1         G8

--Thundergnat (talk) 02:50, 20 January 2019 (UTC)

"Mayan" nomenclature and the regularity of the Long Count

I think it's worth noting that these calendars, or very similar ones, were used by multiple Mesoamerican cultures (e.g. Zapotec, Olmec, Aztec), and the names used for them were coined by modern Mayanists and are not necessarily contemporary. Also, I think the Long Count is best understood as a simple linear count of days rather than a Gregorian-like calendar system. We write it in dotted-decimal notation, but each number in that notation represents a single digit in the original script. It's true that the represented number of days is not equal to the apparent value of the numeral, but the relationship to the numeral is much more regular than most systems of calendar units. A good analogy is the common practice of writing the 24-hour time of day as a four-digit number, e.g. "1637" for 4:37pm. That appears to be an ordinary numeral, yet it doesn't represent 1,637 minutes after midnight; the second-least-significant digit maxes out at 5 instead of 9, so that the "hundreds" digit counts 60-minute hours instead of 100-minute periods. In much the same way, the second-least-significant digit in the Long Count maxes out at 17 instead of 19, so that the "400s" digit counts 360-day _tun_'s instead of 400-day periods. But all of the other units are 20 of the next lower unit, because they're really just digits in the number. --Markjreed (talk) 21:59, 31 January 2021 (UTC)