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Title: Using Python's datetime Module (Summary) (Video) – Real Python

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Description: In the previous lesson, I showed you how to find the differences between datetime objects. This lesson summarizes the course and points you at some further information. I started out with the warning of how messy dates and times can be and then…

Open Graph Description: In the previous lesson, I showed you how to find the differences between datetime objects. This lesson summarizes the course and points you at some further information. I started out with the warning of how messy dates and times can be and then…

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Your Calendar Fallacy Is…https://yourcalendricalfallacyis.com/
Stackoverflow: Daylight saving time and time zone best practiceshttps://stackoverflow.com/questions/2532729/daylight-saving-time-and-time-zone-best-practices/2532962#2532962
Storing UTC Is Not A Silver Bullethttps://codeblog.jonskeet.uk/2019/03/27/storing-utc-is-not-a-silver-bullet/
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00:00https://realpython.com/lessons/python-datetime-summary/#t=0.51
In the previous lesson,https://realpython.com/lessons/python-datetime-summary/#t=0.51
I showed you how to find the differences between datetime objects.https://realpython.com/lessons/python-datetime-summary/#t=1.47
This lesson summarizes the course and points you at some further information.https://realpython.com/lessons/python-datetime-summary/#t=5.37
00:11https://realpython.com/lessons/python-datetime-summary/#t=11.44
I started out with the warning of how messy dates and times can behttps://realpython.com/lessons/python-datetime-summary/#t=11.44
and then showed you how to use four different Python standard libraries for datehttps://realpython.com/lessons/python-datetime-summary/#t=15.28
and time objects: time, datetime, zoneinfo,https://realpython.com/lessons/python-datetime-summary/#t=19.15
and timedelta. As the timedelta class is a bit limited,https://realpython.com/lessons/python-datetime-summary/#t=24.49
I showed you the dateutil package as a possible augment.https://realpython.com/lessons/python-datetime-summary/#t=29.35
00:34https://realpython.com/lessons/python-datetime-summary/#t=34.87
And throughout the course,https://realpython.com/lessons/python-datetime-summary/#t=34.87
I added to a script that calculates how much time has passed since the lasthttps://realpython.com/lessons/python-datetime-summary/#t=35.86
apocalypse.https://realpython.com/lessons/python-datetime-summary/#t=39.76
00:42https://realpython.com/lessons/python-datetime-summary/#t=42.65
In the description below, I’ve included several different articles about thehttps://realpython.com/lessons/python-datetime-summary/#t=42.65
messiness which is working with dates and times. Your Calendar Fallacy ishttps://realpython.com/lessons/python-datetime-summary/#t=45.95
a long list of things that people often think are true about dates,https://realpython.com/lessons/python-datetime-summary/#t=50.54
and as you might guess from the title, well,https://realpython.com/lessons/python-datetime-summary/#t=54.56
they’re not. This Stackoverflow discussion has an excellenthttps://realpython.com/lessons/python-datetime-summary/#t=56.72
answerhttps://realpython.com/lessons/python-datetime-summary/#t=61.19
summarizing a lot of the best practices with daylight savings and time zones.https://realpython.com/lessons/python-datetime-summary/#t=61.82
01:07https://realpython.com/lessons/python-datetime-summary/#t=67.52
In the overview,https://realpython.com/lessons/python-datetime-summary/#t=67.52
I hinted that the Let’s use UTC to store things solutionhttps://realpython.com/lessons/python-datetime-summary/#t=68.48
isn’t always the right one. This article talks about some of the edge cases …https://realpython.com/lessons/python-datetime-summary/#t=72.77
and this is another perspective on the same topic.https://realpython.com/lessons/python-datetime-summary/#t=78.44
01:22https://realpython.com/lessons/python-datetime-summary/#t=82.76
This YouTube video from Computerphile covers a lot of similar topicshttps://realpython.com/lessons/python-datetime-summary/#t=82.76
if you’d rather watch than read.https://realpython.com/lessons/python-datetime-summary/#t=86.72
And finally, a comprehensive article on all this messiness.https://realpython.com/lessons/python-datetime-summary/#t=89.96
01:35https://realpython.com/lessons/python-datetime-summary/#t=95.83
Because Python’s date/time libraries are a little lightweight,https://realpython.com/lessons/python-datetime-summary/#t=95.83
there are loads of third-party libraries out there to compensate. Links to thesehttps://realpython.com/lessons/python-datetime-summary/#t=98.77
projects are in the description below. pytz was the solution tohttps://realpython.com/lessons/python-datetime-summary/#t=102.85
time zones in Python before zoneinfo existed.https://realpython.com/lessons/python-datetime-summary/#t=107.8
01:51https://realpython.com/lessons/python-datetime-summary/#t=111.82
I’d suggest using the standard-library solution instead,https://realpython.com/lessons/python-datetime-summary/#t=111.82
but this one is definitely still out there in the wild,https://realpython.com/lessons/python-datetime-summary/#t=114.79
so you might want to be familiar with it. Now,https://realpython.com/lessons/python-datetime-summary/#t=117.73
here are three different drop-in replacements for datetime.https://realpython.com/lessons/python-datetime-summary/#t=121.45
02:04https://realpython.com/lessons/python-datetime-summary/#t=124.78
They provide compatible methods as well as all sorts of other capabilities.https://realpython.com/lessons/python-datetime-summary/#t=124.78
Arrow, Pendulum, and interestingly enough, Maya.https://realpython.com/lessons/python-datetime-summary/#t=130.0
02:16https://realpython.com/lessons/python-datetime-summary/#t=136.36
In a previous lesson,https://realpython.com/lessons/python-datetime-summary/#t=136.36
I mentioned dateparser, used to parse human-readable time concepts, like tomorrow,https://realpython.com/lessons/python-datetime-summary/#t=137.29
and having some of my childhood overlapping with the eighties,https://realpython.com/lessons/python-datetime-summary/#t=143.23
the name of this module always just makes me smile.https://realpython.com/lessons/python-datetime-summary/#t=146.53
02:29https://realpython.com/lessons/python-datetime-summary/#t=149.56
This one, Delorean, mixes the human-readable concepts of dateparser with the timehttps://realpython.com/lessons/python-datetime-summary/#t=149.56
delta concepts of dateutil.https://realpython.com/lessons/python-datetime-summary/#t=154.0
Finally, pywhen. Full disclosure: this is one of mine.https://realpython.com/lessons/python-datetime-summary/#t=155.53
02:40https://realpython.com/lessons/python-datetime-summary/#t=160.66
It’s a very lightweight library that just wraps the construction of datetimehttps://realpython.com/lessons/python-datetime-summary/#t=160.66
objects.https://realpython.com/lessons/python-datetime-summary/#t=164.35
I was doing some work a while back where fractional sections and Unix epochs werehttps://realpython.com/lessons/python-datetime-summary/#t=165.46
important and found nothing else did what I needed. So I threw this together.https://realpython.com/lessons/python-datetime-summary/#t=169.45
02:56https://realpython.com/lessons/python-datetime-summary/#t=176.08
Thanks for your attention. I hope you had a good time. See what I did there?https://realpython.com/lessons/python-datetime-summary/#t=176.08
Dad joke for the win.https://realpython.com/lessons/python-datetime-summary/#t=181.42
May 24, 2022https://realpython.com/lessons/python-datetime-summary/#comment-414e5231-aa99-4197-bae7-700f5c7f3bb5
May 24, 2022https://realpython.com/lessons/python-datetime-summary/#comment-bf5cc0ca-57e5-41df-8b93-add03de0e10b
July 11, 2022https://realpython.com/lessons/python-datetime-summary/#comment-e86336f1-aca8-4ba4-9618-bc8ef74cc8a9
July 12, 2022https://realpython.com/lessons/python-datetime-summary/#comment-21548bf0-1673-42f8-96a8-14d931a796f6
Aug. 29, 2022https://realpython.com/lessons/python-datetime-summary/#comment-46c25bcc-1674-403e-bcb6-b07f078e87f0
May 1, 2023https://realpython.com/lessons/python-datetime-summary/#comment-b4106ac3-a4d0-4ebd-b314-13ddc654a765
docs.python.org/3/library/zoneinfo.html#data-sourceshttps://docs.python.org/3/library/zoneinfo.html#data-sources
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https://realpython.com/lessons/date-time-arithmetic/
Overviewhttps://realpython.com/courses/python-datetime-module/
Using Python's datetime Module (Overview) 02:37 https://realpython.com/videos/python-datetime-module-overview/
Understanding That Dates and Times Are Messy 07:33 https://realpython.com/videos/messy-date-time/
Introducing datetime 06:13 https://realpython.com/lessons/introducing-datetime/
Dealing With Time Zones 10:44 https://realpython.com/lessons/dealing-with-time-zones/
Doing Date and Time Arithmetic 05:48 https://realpython.com/lessons/date-time-arithmetic/
Using Python's datetime Module (Summary) 03:04 https://realpython.com/lessons/python-datetime-summary/
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