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Tag: date

Sort a pandas dataframe series by month name

I have a Series object that has: Problem statement: I want to make it appear by month and compute the mean price for each month and present it with a sorted manner by month. Desired Output: I thought of making a list and passing it in a sort function: but the sort_values doesn’t support that for series. One big problem

How to convert Julian date to standard date?

I have a string as Julian date like “16152” meaning 152’nd day of 2016 or “15234” meaning 234’th day of 2015. How can I convert these Julian dates to format like 20/05/2016 using Python 3 standard library? I can get the year 2016 like this: date = 20 + julian[0:1], where julian is the string containing the Julian date, but

Convert month int to month name in Pandas

I want to transform an integer between 1 and 12 into an abbrieviated month name. I have a df which looks like: I want the df to look like this: Most of the info I found was not in python>pandas>dataframe hence the question. Answer You can do this efficiently with combining calendar.month_abbr and df[col].apply()

Subtracting Dates With Python

I’m working on a simple program to tell an individual how long they have been alive. I know how to get the current date, and get their birthday. The only problem is I have no way of subtracting the two, I know a way of subtracting two dates, but unfortunately it does not include hours, minutes, or seconds. I am

Python module to change system date and time

How can I change System Date, Time, Timezone in Python? Is there any module available for this? I don’t want to execute any system commands I want one common solution, which should work on both Unix and Windows. Answer I don’t have a windows machine so I didn’t test it on windows… But you get the idea.

How do I get the day of week given a date?

I want to find out the following: given a date (datetime object), what is the corresponding day of the week? For instance, Sunday is the first day, Monday: second day.. and so on And then if the input is something like today’s date. Example The output is maybe 6 (since it’s Friday) Answer Use weekday(): From the documentation: Return the

How to have Calendar thing in Django date field

I have this Datetime field in Django But I want the Calendar to pop up. In docs, they say to write this Now I have a few problems: Where to declare this class and how to use it I don’t have pretty.css , animation.css , how can get it Do I need to do programming for it?? Answer The files

How to tell if a date is between two other dates?

I have the following codes: date, start and end are all variables with the format of 1/1. What should I do to have it print out the right result? i tried date as 10/2, start as 3/14 and end as 11/7 and it’s print ‘No!’, which means it’s not running right. I guess have to format them to a date

Checking date against date range in Python

I have a date variable: 2011-01-15 and I would like to get a boolean back if said date is within 3 days from TODAY. Im not quite sure how to construct this in Python. Im only dealing with date, not datetime. My working example is a “grace period”. A user logs into my site and if the grace period is

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