pandas difference of time columns
df = pd.DataFrame(columns=["one", "two"])
df.one = ["2019-01-24","2019-01-27"]
df.two = ["2019-01-28", "2020-01-29"]
df.one = pd.to_datetime(df.one)
df.two = pd.to_datetime(df.two)
print(df)
# OUTPUT
# one two
# 0 2019-01-24 2019-01-28
# 1 2019-01-27 2020-01-29
difference = (df.two - df.one)
print(difference)
# OUTPUT
# 0 4 days
# 1 367 days
# dtype: timedelta64[ns]