That's the base of the rrule operation. It accepts all the keywords defined in the RFC as its constructor parameters (except byday, which

The relativedelta type is designed to be applied to an existing datetime and can replace specific components of that datetime, or represents

Context manager that temporarily sets the `TZ` variable (for use on *nix-like systems). Because the effect is local to the shell anyway, this

The rruleset type allows more complex recurrence setups, mixing multiple rules, dates, exclusion rules, and exclusion dates. The type constru

Context manager for changing local time zone on Windows. Because the effect of this is system-wide and global, it may have unintended si

This version of weekday does not allow n = 0.

A simple class for representing a fixed offset from UTC. :param name: The timezone name, to be returned when ``tzname()`` is called.

Class which handles what inputs are accepted. Subclass this to customize the language and acceptable values for each parameter. :param d

Exception subclass used for any failure to parse a datetime string. This is a subclass of :py:exc:`ValueError`, and should be raised any time

Class for wrapping contexts so that they are passed through in a with statement.

A class that is always equal to whatever you compare it to.

Retrieve a time zone object from a string representation This function is intended to retrieve the :py:class:`tzinfo` subclass

A class analogous to NaN that has operations defined for any type.

Sentinel class for unset time zone variable

This is a class designed to provide a PEP 495-compliant interface for Python versions before 3.6. It is used only for dates in a fold

Parses a string representation of a recurrence rule or set of recurrence rules. :param s: Required, a string defining one or more re

Lightweight class for holding the relevant transition and time zone information read from binary tzfiles.

This is a ``tzinfo`` subclass that allows one to use the ``tzfile(5)`` format timezone files to extract current and historical zone informati

A :class:`tzinfo` subclass built around the ``time`` timezone functions.

Class for accessing ``tzres.dll``, which contains timezone name related resources. .. versionadded:: 2.5.0

``tzstr`` objects are time zone objects specified by a time-zone string as it would be passed to a ``TZ`` variable on POSIX-style systems (se

This is a tzinfo object that represents the UTC time zone. **Examples:** .. doctest:: >>> from datetime import * >>> f

Time zone object created from the zone info in the Windows registry These are similar to :py:class:`dateutil.tz.tzrange` objects in that

Test the datetime_exists / datetime_ambiguous functions

Warning raised when time zones are parsed from deprecated formats.

Test the weeks property getter

Test the weeks setter which makes a "smart" update of the days attribute

Base class for a context manager which allows changing of time zones. Subclasses may define a guard variable to either block or or allow tim

Mix-in class for testing ambiguous times

Run all the TzPickleTest tests, using a temporary file

Raised when the parser finds a timezone it cannot parse into a tzinfo. .. versionadded:: 2.7.0

Base class for all ``dateutil`` ``tzinfo`` objects.

This object is designed to parse an iCalendar-style ``VTIMEZONE`` structure as set out in `RFC 5545`_ Section 4.6.5 into one or more `tzinfo`

The ``tzrange`` object is a time zone specified by a set of offsets and abbreviations, equivalent to the way the ``TZ`` variable can be speci

This is an abstract base class for time zones represented by an annual transition into and out of DST. Child classes should implement the fol

tzinfo class based on win32's timezones available in the registry.