Python pendulum to datetime

Python Date Time Formatting with Pendulum

This Python Pendulum tutorial to show you how to format a DateTime instance as a string using Pendulum package. We will learn to use difference common methods to format string as well as using formatter method format() and strftime().

Table of contents

Install Pendulum package

Installing the Pendulum package using the below command.

Format DateTime string using common format methods

The following methods to format a DateTime instance as a string.

• to_date_string() to format the DateTime instance as date.
• to_formatted_date_string() to format the DateTime instance as readable date.
• to_time_string() to format the DateTime instance as time.
• to_datetime_string() to format the DateTime instance as date and time.
• to_day_datetime_string() to format the DateTime instance as day, date and time in English.
• to_iso8601_string() to format the DateTime instance as ISO 8601 format.
• to_w3c_string() to format the DateTime instance as W3C format.
• to_atom_string() to format the DateTime instance as ATOM format.
• to_cookie_string() to format the DateTime instance as cookie format.
• to_rss_string() to format the DateTime instance as RSS format.
• to_rfc1036_string() to format the DateTime instance as RFC 1036 format.
• to_rfc1123_string() to format the DateTime instance as RFC 1123 format.
• to_rfc2822_string() to format the DateTime instance as RFC 2822 format.
• to_rfc3339_string() to format the DateTime instance as RFC 3339 format.
• to_rfc822_string() to format the DateTime instance as RFC 822 format.
• to_rfc850_string() to format the DateTime instance as RFC 850 format.

import pendulum dt = pendulum.datetime(year=2021, month=1, day=1, hour=8, minute=20, second=30) print('to_date_string() result:') print(dt.to_date_string()) print('\nto_formatted_date_string() result:') print(dt.to_formatted_date_string()) print('\nto_time_string() result: ') print(dt.to_time_string()) print('\nto_datetime_string() result:') print(dt.to_datetime_string()) print('\nto_day_datetime_string() result:') print(dt.to_day_datetime_string()) print('\nto_iso8601_string() result:') print(dt.to_iso8601_string()) print('\nto_w3c_string() result:') print(dt.to_w3c_string()) print('\nto_atom_string() result:') print(dt.to_atom_string()) print('\nto_cookie_string() result:') print(dt.to_cookie_string()) print('\nto_rss_string() result: ') print(dt.to_rss_string()) print('\nto_rfc1036_string() result:') print(dt.to_rfc1036_string()) print('\nto_rfc1123_string() result:') print(dt.to_rfc1123_string()) print('\nto_rfc2822_string() result:') print(dt.to_rfc2822_string()) print('\nto_rfc3339_string() result:') print(dt.to_rfc3339_string()) print('\nto_rfc822_string() result:') print(dt.to_rfc822_string()) print('\nto_rfc850_string() result:') print(dt.to_rfc850_string())

to_date_string() result: 2021-01-01 to_formatted_date_string() result: Jan 01, 2021 to_time_string() result: 08:20:30 to_datetime_string() result: 2021-01-01 08:20:30 to_day_datetime_string() result: Fri, Jan 1, 2021 8:20 AM to_iso8601_string() result: 2021-01-01T08:20:30Z to_w3c_string() result: 2021-01-01T08:20:30+00:00 to_atom_string() result: 2021-01-01T08:20:30+00:00 to_cookie_string() result: Friday, 01-Jan-2021 08:20:30 UTC to_rss_string() result: Fri, 01 Jan 2021 08:20:30 +0000 to_rfc1036_string() result: Fri, 01 Jan 21 08:20:30 +0000 to_rfc1123_string() result: Fri, 01 Jan 2021 08:20:30 +0000 to_rfc2822_string() result: Fri, 01 Jan 2021 08:20:30 +0000 to_rfc3339_string() result: 2021-01-01T08:20:30+00:00 to_rfc822_string() result: Fri, 01 Jan 21 08:20:30 +0000 to_rfc850_string() result: Friday, 01-Jan-21 08:20:30 UTC

Format DateTime string using formatter format() and strftime() method

We also can use format() and strftime() methods to format string as below.

import pendulum dt = pendulum.datetime(year=2021, month=1, day=1, hour=8, minute=20, second=30) print(dt.format('dddd Do [of] MMMM YYYY HH:mm:ss A')) print(dt.format('YYYY-MM-DD HH:mm:ss')) print(dt.format('[Today is] dddd')) print(dt.strftime('%Y-%m-%d %H:%M:%S %Z%z')) print(dt.strftime('%I:%M:%S %p'))

Friday 1st of January 2021 08:20:30 AM 2021-01-01 08:20:30 Today is Friday 2021-01-01 08:20:30 UTC+0000 08:20:30 AM

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How to convert pendulum to datetime.datetime type?

Nick Seong 1

The following code works for me:

In [1]: import pendulum In [2]: import datetime In [3]: pdt = pendulum.now() In [4]: datetime.datetime.fromisoformat(pdt.to_iso8601_string()) Out[4]: datetime.datetime(2022, 2, 22, 14, 29, 36, 812772,tzinfo=datetime.timezone(datetime.timedelta(seconds=28800))) 

I couldn’t find a Pendulum helper for this either. So, back to basics:

import datetime as dt tz_info = dateutil.tz.gettz(zone_name) pend_time = pendulum.datetime(. ) dt_time = dt.datetime( pend_time.year, pend_time.month, pend_time.day, pend_time.hour, pend_time.minute, pend_time.second, pend_time.microsecond, ).astimezone(tz_info) 

Note the use of dateutil. As of Python 3.6, the tzinfo documentation recommends dateutil.tz rather than pytz as an IANA time zone provider.

pendulum==1.4.0 objects have the protected _datetime member:

import pendulum p = pendulum.now() p._datetime 

This will give you something like

datetime.datetime(2021, 5, 24, 12, 44, 11, 812937, tzinfo=) 

Another way is as follows: and works for pendulum==1.4.0 and more recent pendulum==2.1.2

import pendulum from datetime import datetime p = pendulum.now() datetime_string = p.to_datetime_string() datetime.fromisoformat(datetime_string) 

datetime.datetime(2021, 5, 24, 12, 44, 11) 

>>> from datetime import datetime >>> import pendulum >>> datetime.fromtimestamp(pendulum.now().timestamp(), pendulum.tz.UTC) datetime.datetime(2021, 1, 12, 11, 41, 32, 387753, tzinfo=Timezone('UTC')) 

Usually there should be no need to do this since pendulum ‘s DateTime inherits from datetime.datetime . Any code working with stdlib’s datetime ‘s should work with pendulum’s as well.

Anthony 1779

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Python parse string to DateTime with Pendulum

This Python Pendulum tutorial to show you how to use parse() and from_format() method to parse a string into DateTime instance using Pendulum package.

Table of contents

Install Pendulum package

Installing the Pendulum package using the below command.

Parse string to DateTime using parse() method

The following program we use parse() method to parse a string into DateTime instance, by default Pendulum set UTC timezone for the output DateTime instance.

import pendulum dt = pendulum.parse('2021-07-21T23:30:40') print(dt) print(dt.timezone.name)

The following Python program, we provide specific timezone during parsing the string to DateTime instance.

import pendulum dt = pendulum.parse('2021-07-21T23:30:40', tz='Asia/Tokyo') print(dt) print(dt.timezone.name)

2021-07-21T23:30:40+09:00 Asia/Tokyo

Parse string to DateTime using from_format() method

The following program we use the from_format() method to parse a string in specific format to a DateTime instance.

import pendulum dt1 = pendulum.from_format('2021-07-20 22', 'YYYY-MM-DD HH') dt2 = pendulum.from_format('2021/07/20', 'YYYY/MM/DD') print(dt1) print(dt2)

2021-07-20T22:00:00+00:00 2021-07-20T00:00:00+00:00

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