How to check if the date is the first day of a month in Pandas
Overview
The is_month_start attribute of Pandas.Timestamp, which is an equivalent of Python's date time-object, is used to check if a given date is the first day of the month or not.
Syntax
The is_month_start attribute takes the syntax below:
Timestamp.is_month_start
Syntax for the is_month_start attribute
Parameter value
As an attribute, is_month_start takes no parameter value.
Return value
The is_month_start attribute returns a Boolean value indicating if the date is the first day of the month (if True) or not (if False).
Example
# A code to illustrate the .is_month_start attribute in Pandas# importing the pandas libraryimport pandas as pd# creating Timestamp objectsa = pd.Timestamp(2022, 4, 1)b = pd.Timestamp(2022, 4, 30)# checking if the dates is or are the first day of the month of Aprilprint(a.is_month_end)print(b.is_month_end)
Explanation
- Line 3: We import the Pandas library.
- Lines 6–7: We create time stamp objects,
aandb. - Lines 10–11: We obtain and print the result to the console, indicating which of
aandbis the first day of the month, using theis_month_startattribute.