python - Week number of the month

## python - Week number of the month

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Does python offer a way to easily get the current week of the month (1:4) ?

In order to use straight division, the day of month for the date you're looking at needs to be adjusted according to the position (within the week) of the first day of the month. So, if your month happens to start on a Monday (the first day of the week), you can just do division as suggested above. However, if the month starts on a Wednesday, you'll want to add 2 and then do the division. This is all encapsulated in the function below.

```from math import ceil

def week_of_month(dt):
""" Returns the week of the month for the specified date.
"""

first_day = dt.replace(day=1)

dom = dt.day

```

How to get week number in Python?, You can get the week number directly from datetime as string. >>> import datetime import datetime week = date(year=2014, month=1, day=1).​isocalendar()[1]. Finding number of weeks in a given month in Python language. Simple options to find the number of weeks in a month including partial weeks.

If your first week starts on the first day of the month you can use integer division:

```import datetime
day_of_month = datetime.datetime.now().day
week_number = (day_of_month - 1) // 7 + 1
```

How to get week number of month in Python?, Getting week number of month. Here is one of the method to find the monthly week number for a given date in Python programming. This should give the week number in the month. import datetimedef _get_week_of_day(date): first_day = date.replace(day=1) iso_day_one = first_day.isocalendar()[1] iso_day_date = date.isocalendar()[1] adjusted_week = (iso_day_date - iso_day_one) + 1 return adjusted_week.

I know this is years old, but I spent a lot of time trying to find this answer. I made my own method and thought I should share.

The calendar module has a monthcalendar method that returns a 2D array where each row represents a week. For example:

```import calendar
calendar.monthcalendar(2015,9)
```

result:

```[[0,0,1,2,3,4,5],
[6,7,8,9,10,11,12],
[13,14,15,16,17,18,19],
[20,21,22,23,24,25,26],
[27,28,29,30,0,0,0]]
```

So numpy's where is your friend here. And I'm in USA so I want the week to start on Sunday and the first week to be labelled 1:

```import calendar
import numpy as np
calendar.setfirstweekday(6)

def get_week_of_month(year, month, day):
x = np.array(calendar.monthcalendar(year, month))
week_of_month = np.where(x==day)[0][0] + 1
return(week_of_month)

get_week_of_month(2015,9,14)
```

returns

```3
```

8.2. calendar — General calendar-related functions, Return an iterator for the week day numbers that will be used for one week. The first Return a list of the weeks in the month month of the year as full weeks. Week number of the month. Ask Question. Asked 2 years, 2 months ago. Active 2 years, 2 months ago. Viewed 883 times. 0. Does pandas (python) offer a way to easily get the current week of the month (1:4) from a date series? data = {'date': ['2014-05-01', '2014-05-01', '2014-05-02', '2014-05-02', '2014-05-02', '2014-05-02', '2014-05-03', '2014-05-03', '2014-05-04', '2014-05-04']} df = pd.DataFrame(data, columns = ['date']) df['date']=pd.to_datetime(df['date']) def week_of_month(dt

Check out the package Pendulum

```>>> dt = pendulum.parse('2018-09-30')
>>> dt.week_of_month
5
```

[Solved] get week number within the month from date, Well, You really don't need to write much code or do calculation for that. You can use. System.Globalization.CultureInfo.Calendar object. I am trying to add a new column that converts the week column to be the appropriate month that the week is part of. If the week is split across 2 months then take the maximum month as the answer.

Check out the python calendar module

Week numbers in Python, How to calculate ISO week numbers, convert week numbers to dates, and get the number of weeks in a year, in Python and other programming languages. Week 1 in the Gregorian calendar is the first week containing a Monday. Week 1 in the isocalendar is the first week containing a Thursday. The partial week at the beginning of 2014 contains a Thursday, so this is week 1 by the isocalendar, and making date week 2.

Python Exercise: Get week number, Write a Python program to get week number. Sample Solution: Python Code: import datetime print(datetime.date(2015, 6, 16).isocalendar()[1]). An array that represents the abbreviated days of the week in the current locale. calendar.month_name¶ An array that represents the months of the year in the current locale. This follows normal convention of January being month number 1, so it has a length of 13 and month_name[0] is the empty string. calendar.month_abbr¶

Python Datetime - Exercises, Practice, Solution, d) Week number of the year e) Weekday of the week f) Day of year g) Day of the month h) Day of week. Click me to see the solution. 2. Write a  In Python date and datetime objects own a method called isocalendar() which returns a list containing three ISO 8601 values: the ISO year, the ISO week number and the ISO weekday. Example. Get the current week number and print it. from datetime import date weekNumber = date.today().isocalendar()[1] print 'Week number:', weekNumber Output: Week number:23

Week number in Python, In Python date and datetime objects own a method called isocalendar() which returns a list containing three ISO 8601 values: the ISO year, the ISO week number  Week numbers in Python How to get the week number from a date. To get the ISO week number (1-53), use d.isocalendar()[1]. The variable d is a date or datetime object. To get the corresponding four-digit year (e.g. 2013), use d.isocalendar()[0]. Read more about date.isocalendar() in the Python manual. How to get the number of weeks in a year