Pandas, Pandas Grouper, Pandas Date, Pandas Dt, Pandas Resample.
pandas.Grouper function to the groupby method, along with the column we want to group by. The pandas.Grouper function takes the following parameters: key: Column name that contains the time series data. freq: Frequency of the time intervals, such as "D" for daily, "W" for weekly, "M" for monthly,