Bug Parsing Month/Day with %z in format

Two parter:

1. Parsing a date string with a %z-formatted timezone in it causes the month and day to be reversed:

import dateparser

# Formats
abbreviatedFmt = '%Y-%m-%d %I:%M:%S.%f %p %Z'
extendedFmt = '{} (%z)'.format(abbreviatedFmt)
print('Formats:')
print(abbreviatedFmt)
print(extendedFmt)

# Input datetime strings
abbreviatedDateStr = "2012-11-02 04:16:13.000123 PM EST"
extendedDateStr = '{} (-05:00)'.format(abbreviatedDateStr)
print('Input datetime strings:')
print(abbreviatedDateStr)
print(extendedDateStr)

# Output datetime strings
print('Output datetime strings:')
print(dateparser.parse(abbreviatedDateStr, date_formats = [abbreviatedFmt]).strftime(abbreviatedFmt))
print(dateparser.parse(extendedDateStr, date_formats = [extendedFmt]).strftime(extendedFmt))

Formats:
%Y-%m-%d %I:%M:%S.%f %p %Z
%Y-%m-%d %I:%M:%S.%f %p %Z (%z)
Input datetime strings:
2012-11-02 04:16:13.000123 PM EST
2012-11-02 04:16:13.000123 PM EST (-05:00)
Output datetime strings:
2012-11-02 04:16:13.000123 PM EST
2012-02-11 04:16:13.000123 PM UTC-05:00 (-0500)

As can be seen above the resulting (output) datetime string for the one with extended %z formatting has its month and day reversed.

2. Additionally as can be seen above, it also overrides the name of the timezone if one has been provided, even if the timezone offsets match.

Start by running the reproduction script from the issue with both date_formats values and compare the parsed and formatted results. Trace the parsing path for the %z format alongside %Z. Done means the extended input preserves month/day order and does not replace a supplied timezone name when the offsets match.