A Python (pandas) holiday calendar for South Africa - for which there are many public holidays!

south_african_holidays.py

# [1] https://github.com/pandas-dev/pandas/blob/main/pandas/tseries/holiday.py
from pandas.tseries.offsets import CDay, Day
from pandas.tseries.holiday import AbstractHolidayCalendar, Holiday, sunday_to_monday, \
    DateOffset, MO, next_monday, next_monday_or_tuesday, GoodFriday, EasterMonday


class Holidays_South_Africa(AbstractHolidayCalendar):
    rules = [
        Holiday('New Years Day', month=1, day=1, observance=next_monday),
        Holiday('Human Rights Day', month=3, day=21, observance=sunday_to_monday),
        GoodFriday, EasterMonday, # Easter/Family Day
        Holiday('Freedom Day', month=4, day=27, observance=sunday_to_monday),
        Holiday('International Workers Day', month=5, day=2, observance=sunday_to_monday),
        Holiday('Youth Day', month=6, day=16, observance=sunday_to_monday),
        Holiday('National Womens Day', month=8, day=9, observance=sunday_to_monday),
        Holiday('Heritage Day', month=9, day=24, observance=sunday_to_monday),
        Holiday('Day of Reconciliation', month=12, day=16, observance=sunday_to_monday),
        Holiday('Christmas Day', month=12, day=25, observance=sunday_to_monday), # not sure if next_monday?
        Holiday('Boxing Day', month=12, day=26, observance=next_monday_or_tuesday)
    ]

if __name__ == "__main__":
    from datetime import datetime
    today = datetime.now()
    sa_bday = CDay(calendar=Holidays_South_Africa())
    # go back one business day
    print(f"Prev cob date: {today - sa_bday*1}")
    print(f" Business date 20 days ago: {today - sa_bday*20}")
    print(f"Business Days in April 2022: {pd.date_range(start='2022-04-01', end='2022-04-30', freq=sa_bday)}")
    

https://www.gov.za/about-sa/public-holidays#:~:text=**The%20Public%20Holidays%20Act,shall%20be%20a%20public%20holiday.