how to strip year from dates in pandas datetime in python

main.py
import pandas as pd

# create sample dataframe
df = pd.DataFrame({
    'date': ['2021-01-01', '2022-02-02', '2023-03-03']
})

# convert date column to pandas datetime
df['date'] = pd.to_datetime(df['date'])

# strip year from date column
df['yearless_date'] = df['date'] - pd.to_timedelta(df['date'].dt.year - 1970, unit='Y')

print(df)
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main.py
        date yearless_date
0 2021-01-01   1900-01-01
1 2022-02-02   1900-02-02
2 2023-03-03   1900-03-03
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