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# holidays
# --------
# A fast, efficient Python library for generating country, province and state
# specific sets of holidays on the fly. It aims to make determining whether a
# specific date is a holiday as fast and flexible as possible.
#
# Authors: Vacanza Team and individual contributors (see CONTRIBUTORS file)
# dr-prodigy <dr.prodigy.github@gmail.com> (c) 2017-2023
# ryanss <ryanssdev@icloud.com> (c) 2014-2017
# Website: https://github.com/vacanza/holidays
# License: MIT (see LICENSE file)
ETHIOPIAN_CALENDAR = "ETHIOPIAN_CALENDAR"
def is_ethiopian_leap_year(year: int) -> bool:
"""Determine if the Ethiopian year that starts in the given Gregorian year is a leap year.
Ethiopian leap years follow the Coptic/Julian rule:
* Every 4 years without exception (no century rule).
* The Ethiopian year starts on September 11 (or 12 in an Ethiopian leap year).
Args:
year:
Gregorian year to evaluate.
Returns:
`True` if an Ethiopian leap year starts in the given Gregorian year, `False` otherwise.
"""
return (year + 1) % 4 == 0
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