Created
June 21, 2025 05:16
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Python function that converts a haab date to a tzolkin date (Mayan calendars).
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| def solve(haab_date: str) -> str: | |
| """ | |
| Converts a haab date to a tzolkin date. See: | |
| https://en.wikipedia.org/wiki/History_of_calendars#Mesoamerica | |
| https://en.wikipedia.org/wiki/Maya_calendar | |
| """ | |
| months = ["pop", "no", "zip", "zotz", "tzec", "xul", "yoxkin", "mol", "chen", "yax", "zac", "ceh", "mac", "kankin", "muan", "pax", "koyab", "cumhu"] | |
| parts = haab_date.split() | |
| day = int(parts[0][:-1]) | |
| month = months.index(parts[1]) | |
| year = int(parts[2]) | |
| if year < 0 or year >= 5000: | |
| return "" | |
| day_since = year * 365 + month * 20 + day | |
| out_year = day_since // 260 | |
| day_since -= out_year * 260 | |
| out_month = day_since % 13 + 1 | |
| days = ["imix", "ik", "akbal", "kan", "chicchan", "cimi", "manik", "lamat", "muluk", "ok", "chuen", "eb", "ben", "ix", "mem", "cib", "caban", "eznab", "canac", "ahau"] | |
| day = days[day_since % 20] | |
| return f"{out_month} {day} {out_year}" | |
| if __name__ == "__main__": | |
| solve("10. zac 0") | |
| solve("0. pop 0") | |
| solve("10. zac 1995") |
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