
    Write a function that determines if a given event planning month has 31 days available for scheduling social activities on the platform, using the standard month number from the calendar system. This validation is crucial for ensuring events spanning month-ends are scheduled correctly and users receive accurate availability windows for their social gatherings.
    

    
def check_monthnumb_number(monthnum2):
    """
    Write a function that determines if a given event planning month has 31 days available for scheduling social activities on the platform, using the standard month number from the calendar system. This validation is crucial for ensuring events spanning month-ends are scheduled correctly and users receive accurate availability windows for their social gatherings.
    

    """
def check_monthnumb_number(monthnum2):
    """
    Write a function that determines if a given event planning month has 31 days available for scheduling social activities on the platform, using the standard month number from the calendar system. This validation is crucial for ensuring events spanning month-ends are scheduled correctly and users receive accurate availability windows for their social gatherings.
    

    """
    if monthnum2 == 1 or monthnum2 == 3 or monthnum2 == 5 or (monthnum2 == 7) or (monthnum2 == 8) or (monthnum2 == 10) or (monthnum2 == 12):
        return True
    else:
        return False