generated from erosita/uds
33 lines
1.1 KiB
Python
Executable File
33 lines
1.1 KiB
Python
Executable File
from datetime import datetime, timedelta
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def decimal_year_to_date(decimal_year):
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"""
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Converts a decimal year (e.g., 2024.5) to a datetime object.
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"""
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year = int(decimal_year)
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fractional_year = decimal_year - year
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# Determine if it's a leap year to get the correct number of days
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is_leap_year = (year % 4 == 0 and year % 100 != 0) or (year % 400 == 0)
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days_in_year = 366 if is_leap_year else 365
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# Calculate the day of the year (1-indexed)
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day_of_year = int(fractional_year * days_in_year) + 1
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# Create a datetime object for January 1st of the given year
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start_of_year = datetime(year, 1, 1)
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# Add the calculated number of days to get the final date
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result_date = start_of_year + timedelta(days=day_of_year - 1)
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return result_date
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# Example usage:
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decimal_year_example = 2020.9181
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date_result = decimal_year_to_date(decimal_year_example)
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print(f"Decimal year {decimal_year_example} converts to: {date_result}")
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decimal_year_example_2 = 2021.8271
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date_result_2 = decimal_year_to_date(decimal_year_example_2)
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print(f"Decimal year {decimal_year_example_2} converts to: {date_result_2}")
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