Answers for "pandas date difference in months"

pandas difference between dates

# credit to Stack Overflow user in the source link
import pandas as pd 
# df is your pandas dataframe
# if already datetime64 you don't need to use to_datetime

df['A'] = pd.to_datetime(df['A'])
df['B'] = pd.to_datetime(df['B']) 

df['diff'] =  df['A'] - df['B'] # difference in days

pandas date difference in months

(pd.to_datetime('today').to_period('M') - pd.to_datetime('2020-01-01').to_period('M')).n
# [Out]:
# 7