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edwardabraham/timezone_lookup.py

Last active February 26, 2026 13:16
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Get a dictionary mapping timezone abbreviations to names, using pytz
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timezone_lookup.py
""" Make a dictionary that maps timezone abbreviations to timezone names.
The timezone_lookup module supplies a single dictionary, timezone_lookup. For example,
>>> timezone_lookup['EST']
'US/Michigan'
"""
from datetime import datetime
import pytz
timezone_lookup = dict([(pytz.timezone(x).localize(datetime.now()).tzname(), x) for x in pytz.all_timezones])
@pradeepcep
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pradeepcep commented Feb 26, 2026

One caveat, in case you found this through Google like I did:

Sometimes, timezones are overwritten in the resulting dict if they share the same abbreviation. For example, both Israel Standard Time and Indian Standard Time have the same abbreviation, IST. So the dict looked like this:

{
    ...

    'IST': 'Israel',  # Indian Standard Time, Asia/Kolkata not present!

    ...
}

Just something to look out for.

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