How Can I List All Available Timezones in the Python Pytz Library?

Python Pytz Timezones Listing

One may be curious to know all the acceptable values for the timezone argument in the Python library pytz. Fortunately, retrieving this information is straightforward.

pytz.all_timezones Function

To list all available timezones in pytz, utilize the pytz.all_timezones function. This function returns a list of all supported timezone strings.

Example:

<code class="python">import pytz

print(pytz.all_timezones)</code>

This code prints a comprehensive list of timezone strings, such as:

['Africa/Abidjan', 'Africa/Accra', 'Africa/Addis_Ababa', ...]

pytz.common_timezones Attribute

In addition to pytz.all_timezones, pytz offers the pytz.common_timezones attribute. This attribute contains a shorter list of frequently used timezones.

Example:

<code class="python">print(len(pytz.common_timezones))</code>

The above code displays the number of common timezones, typically around 400.

Comparison

It's worth noting that pytz.all_timezones includes a more extensive collection of timezones (approximately 500) than pytz.common_timezones. For most applications, pytz.common_timezones suffices with its comprehensive coverage of popular timezones.

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