std::chrono::zoned_time

C++

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C-style date and time

std::chrono::zoned_time

Member functions

zoned_time::zoned_time

zoned_time::operator=

zoned_time::get_time_zone

zoned_time::get_sys_timezoned_time::operator sys_time

zoned_time::get_local_timezoned_time::operator local_time

zoned_time::get_info

Nonmember functions

operator==operator!=

operator<<

to_stream

Deduction guides

Defined in header <chrono>
template < class Duration, class TimeZonePtr = const std::chrono::time_zone* > class zoned_time;		(since C++20)

The class zoned_time represents a logical pairing of a time zone and a std::chrono::time_point whose resolution is Duration.

An invariant of zoned_time is that it always refers to a valid time zone and represents an existing and unambiguous time point in that time zone. Consistent with this invariant, zoned_time has no move constructor or move assignment operator; attempts to move a zoned_time will perform a copy.

The program is ill-formed if Duration is not a specialization of std::chrono::duration.

The template parameter TimeZonePtr allows users to supply their own time zone pointer types and further customize the behavior of zoned_time via std::chrono::zoned_traits. Custom time zone types need not support all the operations supported by std::chrono::time_zone, only those used by the functions actually called on the zoned_time.

TimeZonePtr must be MoveConstructible. Move-only TimeZonePtrs are allowed but difficult to use, as the zoned_time will be immovable and it is not possible to access the stored TimeZonePtr.

Member types

Member type	Definition
duration	std::common_type_t<Duration, std::chrono::seconds>

Member functions

(constructor)	constructs a zoned_time (public member function)
operator=	assigns value to a zoned_time (public member function)
get_time_zone	obtains a copy of the time zone pointer (public member function)
operator local_timeget_local_time	obtains the stored time point as a local_time (public member function)
operator sys_timeget_sys_time	obtains the stored time point as a sys_time (public member function)
get_info	obtain information about the time zone at the stored time point (public member function)

Nonmember functions

operator==operator!=	compares two zoned_time objects (function template)
operator<<	outputs a zoned_time into a stream (function template)
to_stream	outputs a zoned_time into a stream according to the provided format (function template)