Convert dmy to ymd in python
Using a Python script, I need to read a CVS file where dates are formated as DD/MM/YYYY, and convert them to YYYY-MM-DD before saving this into a SQLite database. Show This almost works, but fails because I don't provide time:
I assume there's a method in the datetime object to perform this conversion very easily, but I can't find an example of how to do it. Thank you. asked Feb 2, 2009 at 10:01 Your example code is wrong. This works:
The call to strptime() parses the first argument according to the format specified in the second, so those two need to match. Then you can call strftime() to format the result into the desired final format.
Hans Z. 47.6k11 gold badges96 silver badges111 bronze badges answered Feb 2, 2009 at 10:09
unwindunwind 383k64 gold badges462 silver badges595 bronze badges 1 you first would need to convert string into datetime tuple, and then convert that datetime tuple to string, it would go like this:
answered Feb 2, 2009 at 10:07
SilentGhostSilentGhost 294k64 gold badges301 silver badges291 bronze badges 1 I am new to programming. I wanted to convert from The accepted answer above got me on the right track. The answer I ended up with to my problem is:
The first two lines after the import statement gives today's date in the USA format (2017-01-26). The last two lines convert this to the format recognised in the UK and other countries (26/01/2017). You can shorten this code, but I left it as is because it is helpful to me as a beginner. I hope this helps other beginner programmers starting out!
SiHa 7,12112 gold badges32 silver badges42 bronze badges answered Jan 26, 2017 at 12:37
MarkMark 3754 silver badges10 bronze badges 2 Does anyone else else think it's a waste to convert these strings to date/time objects for what is, in the end, a simple text transformation? If you're certain the incoming dates will be valid, you can just use:
This will almost certainly be faster than the conversion to and from a date. answered Feb 2, 2009 at 10:53
paxdiablopaxdiablo 826k227 gold badges1547 silver badges1915 bronze badges 2
answered Apr 10, 2020 at 13:19
If you need to convert an entire column
(from
Sample usage:
answered Apr 5, 2020 at 19:10
mirekphdmirekphd 3,26025 silver badges44 bronze badges The most simplest way While reading the csv file, put an argument
This will convert the dates of mentioned column to YYYY-MM-DD format
Josef 2,3401 gold badge20 silver badges22 bronze badges answered May 9, 2021 at 8:16
Convert date format DD/MM/YYYY to YYYY-MM-DD according to your question, you can use this:
answered Nov 2, 2021 at 9:42
RokiDGuptaRokiDGupta 3211 gold badge6 silver badges13 bronze badges
This column should be in
Peter Csala 12.3k15 gold badges25 silver badges55 bronze badges answered Dec 30, 2021 at 8:33
1 How do you convert Ymd to DMY in Python?We can convert string format to datetime by using the strptime() function. We will use the '%Y/%m/%d' format to get the string to datetime.
How do you convert date to mm/dd/yyyy in Python?Use strftime() function of a datetime class
For example, the %d-%m-%Y %H:%M:%S codes convert date to dd-mm-yyyy hh:mm:ss format.
How do I change date format in Python?from datetime import datetime.. date_time_str = '18/09/19 01:55:19'. date_time_obj = datetime. strptime(date_time_str, '%d/%m/%y %H:%M:%S'). print ("The type of the date is now", type(date_time_obj)). How do I change date format from Yyyymmdd to Ddmmyyyy?So if you have a YYYYMMDD format to transform, here are the steps to follow.. Step 1: Extract the year. =LEFT(A1,4) => 2018.. Step 2: Extract the day. =RIGHT(A1,2) => 25.. Step 3: Extract the month. ... . Step 4: Convert each part as a date.. |