scrapinghub / scrapinghub/dateparser

Daylight Saving Time (DST) not observed for US/Central (CST)

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Type: Bug
Dominant language
Python
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Description

CST DST UTC offset is -5 in summer, -6 in winter. -6 is being used in summer.

In [1]: import dateparser
In [2]: st="Aug 16, 2018, 4:20:18 PM CST"
In [3]: start = dateparser.parse(st)
In [4]: start
Out[4]: datetime.datetime(2018, 8, 16, 16, 20, 18, tzinfo=<StaticTzInfo 'CST'>)
In [5]: start.isoformat()
Out[5]: '2018-08-16T16:20:18-06:00'
In [20]: start.tzname()
Out[20]: 'CST'

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Research direction

Reproduce the example with dateparser.parse using the supplied August CST string, then trace how the parser resolves the CST timezone. Check the result against the stated seasonal offsets: -05:00 in summer and -06:00 in winter, while retaining the timezone name where applicable.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
backend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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