How to Parse Dates with -0400 Timezone String in Python?

Parsing Dates with -0400 Timezone String in Python

Parsing dates with trailing timezone specifications can be tricky in Python, especially when the conventional %z format tag is unavailable. In Python 2.6.x and higher, the %z format tag has been removed, leaving developers with the challenge of handling such string formats correctly.

Solution

To parse date strings with -0400 timezones in Python, you can utilize the parse function from the dateutil library:

from dateutil.parser import parse

date_string = '2009/05/13 19:19:30 -0400'
date_object = parse(date_string)
print(date_object)

Output:

datetime.datetime(2009, 5, 13, 19, 19, 30, tzinfo=tzoffset(None, -14400))

The date_object obtained is a datetime object with timezone information. Note that the timezone offset is represented as -14400 seconds, which corresponds to -0400 timezone.

Alternatives

For Python 3.0 and above, dateutil2.0 is recommended for date parsing. However, for Python 2.x, dateutil1.5 should be used instead.

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