.TH "std::chrono" 3 "libstdc++" \" -*- nroff -*-
.ad l
.nh
.SH NAME
std::chrono \- ISO C++ 2011 namespace for date and time utilities\&.  

.SH SYNOPSIS
.br
.PP
.SS "Classes"

.in +1c
.ti -1c
.RI "class \fBduration\fP"
.br
.RI "\fRchrono::duration\fP represents a distance between two points in time "
.ti -1c
.RI "struct \fBduration_values\fP"
.br
.RI "duration_values "
.ti -1c
.RI "class \fBgps_clock\fP"
.br
.ti -1c
.RI "class \fBhh_mm_ss\fP"
.br
.ti -1c
.RI "struct \fBsteady_clock\fP"
.br
.RI "Monotonic clock\&. "
.ti -1c
.RI "struct \fBsystem_clock\fP"
.br
.RI "System clock\&. "
.ti -1c
.RI "class \fBtai_clock\fP"
.br
.ti -1c
.RI "class \fBtime_point\fP"
.br
.RI "\fRchrono::time_point\fP represents a point in time as measured by a clock "
.ti -1c
.RI "struct \fBtreat_as_floating_point\fP"
.br
.ti -1c
.RI "class \fBtzdb_list\fP"
.br
.ti -1c
.RI "class \fButc_clock\fP"
.br
.in -1c
.SS "Typedefs"

.in +1c
.ti -1c
.RI "using \fBdays\fP"
.br
.RI "days "
.ti -1c
.RI "using \fBfile_clock\fP"
.br
.ti -1c
.RI "template<typename _Duration> using \fBfile_time\fP"
.br
.ti -1c
.RI "using \fBgps_seconds\fP"
.br
.ti -1c
.RI "template<typename _Duration> using \fBgps_time\fP"
.br
.ti -1c
.RI "using \fBhigh_resolution_clock\fP"
.br
.RI "Highest-resolution clock\&. "
.ti -1c
.RI "using \fBhours\fP"
.br
.RI "hours "
.ti -1c
.RI "using \fBlocal_days\fP"
.br
.ti -1c
.RI "using \fBlocal_seconds\fP"
.br
.ti -1c
.RI "template<typename _Duration> using \fBlocal_time\fP"
.br
.ti -1c
.RI "using \fBmicroseconds\fP"
.br
.RI "microseconds "
.ti -1c
.RI "using \fBmilliseconds\fP"
.br
.RI "milliseconds "
.ti -1c
.RI "using \fBminutes\fP"
.br
.RI "minutes "
.ti -1c
.RI "using \fBmonths\fP"
.br
.RI "months "
.ti -1c
.RI "using \fBnanoseconds\fP"
.br
.RI "nanoseconds "
.ti -1c
.RI "using \fBseconds\fP"
.br
.RI "seconds "
.ti -1c
.RI "using \fBsys_days\fP"
.br
.ti -1c
.RI "using \fBsys_seconds\fP"
.br
.ti -1c
.RI "template<typename _Duration> using \fBsys_time\fP"
.br
.ti -1c
.RI "using \fBtai_seconds\fP"
.br
.ti -1c
.RI "template<typename _Duration> using \fBtai_time\fP"
.br
.ti -1c
.RI "using \fButc_seconds\fP"
.br
.ti -1c
.RI "template<typename _Duration> using \fButc_time\fP"
.br
.ti -1c
.RI "using \fBweeks\fP"
.br
.RI "weeks "
.ti -1c
.RI "using \fByears\fP"
.br
.RI "years "
.ti -1c
.RI "using \fBzoned_seconds\fP"
.br
.in -1c
.SS "Enumerations"

.in +1c
.ti -1c
.RI "enum class \fBchoose\fP { \fBearliest\fP, \fBlatest\fP }"
.br
.in -1c
.SS "Functions"

.in +1c
.ti -1c
.RI "template<typename _Duration> void \fB__throw_bad_local_time\fP (const local_time< _Duration > &__tp, const local_info &__i)"
.br
.ti -1c
.RI "template<typename _Rep, typename _Period> constexpr \fBenable_if_t\fP< \fBnumeric_limits\fP< _Rep >\fB::is_signed\fP, \fBduration\fP< _Rep, _Period > > \fBabs\fP (\fBduration\fP< _Rep, _Period > __d)"
.br
.ti -1c
.RI "template<typename _ToDur, typename _Rep, typename _Period> constexpr __enable_if_is_duration< _ToDur > \fBceil\fP (const \fBduration\fP< _Rep, _Period > &__d)"
.br
.ti -1c
.RI "template<typename _ToDur, typename _Clock, typename _Dur> constexpr \fBenable_if_t\fP< __is_duration_v< _ToDur >, \fBtime_point\fP< _Clock, _ToDur > > \fBceil\fP (const \fBtime_point\fP< _Clock, _Dur > &__tp)"
.br
.ti -1c
.RI "template<typename _DestClock, typename _SourceClock, typename _Duration> 
.br
requires __detail::__clock_convs<_DestClock, _SourceClock, _Duration> || __detail::__clock_convs_sys<_DestClock, _SourceClock, _Duration> || __detail::__clock_convs_utc<_DestClock, _SourceClock, _Duration> || __detail::__clock_convs_sys_utc<_DestClock, _SourceClock, _Duration> || __detail::__clock_convs_utc_sys<_DestClock, _SourceClock, _Duration>auto \fBclock_cast\fP (const \fBtime_point\fP< _SourceClock, _Duration > &__t)"
.br
.RI "Convert a time point to a different clock\&. "
.ti -1c
.RI "const time_zone * \fBcurrent_zone\fP ()"
.br
.ti -1c
.RI "template<typename _ToDur, typename _Rep, typename _Period> constexpr __enable_if_is_duration< _ToDur > \fBduration_cast\fP (const \fBduration\fP< _Rep, _Period > &__d)"
.br
.ti -1c
.RI "template<typename _ToDur, typename _Rep, typename _Period> constexpr __enable_if_is_duration< _ToDur > \fBfloor\fP (const \fBduration\fP< _Rep, _Period > &__d)"
.br
.ti -1c
.RI "template<typename _ToDur, typename _Clock, typename _Dur> constexpr \fBenable_if_t\fP< __is_duration_v< _ToDur >, \fBtime_point\fP< _Clock, _ToDur > > \fBfloor\fP (const \fBtime_point\fP< _Clock, _Dur > &__tp)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Alloc = allocator<_CharT>> \fBbasic_istream\fP< _CharT, _Traits > & \fBfrom_stream\fP (\fBbasic_istream\fP< _CharT, _Traits > &__is, const _CharT *__fmt, day &__d, \fBbasic_string\fP< _CharT, _Traits, _Alloc > *__abbrev=nullptr, \fBminutes\fP *__offset=nullptr)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Rep, typename _Period, typename _Alloc = allocator<_CharT>> \fBbasic_istream\fP< _CharT, _Traits > & \fBfrom_stream\fP (\fBbasic_istream\fP< _CharT, _Traits > &__is, const _CharT *__fmt, \fBduration\fP< _Rep, _Period > &__d, \fBbasic_string\fP< _CharT, _Traits, _Alloc > *__abbrev=nullptr, \fBminutes\fP *__offset=nullptr)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Duration, typename _Alloc = allocator<_CharT>> \fBbasic_istream\fP< _CharT, _Traits > & \fBfrom_stream\fP (\fBbasic_istream\fP< _CharT, _Traits > &__is, const _CharT *__fmt, file_time< _Duration > &__tp, \fBbasic_string\fP< _CharT, _Traits, _Alloc > *__abbrev=nullptr, \fBminutes\fP *__offset=nullptr)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Duration, typename _Alloc = allocator<_CharT>> \fBbasic_istream\fP< _CharT, _Traits > & \fBfrom_stream\fP (\fBbasic_istream\fP< _CharT, _Traits > &__is, const _CharT *__fmt, gps_time< _Duration > &__tp, \fBbasic_string\fP< _CharT, _Traits, _Alloc > *__abbrev=nullptr, \fBminutes\fP *__offset=nullptr)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Duration, typename _Alloc = allocator<_CharT>> \fBbasic_istream\fP< _CharT, _Traits > & \fBfrom_stream\fP (\fBbasic_istream\fP< _CharT, _Traits > &__is, const _CharT *__fmt, local_time< _Duration > &__tp, \fBbasic_string\fP< _CharT, _Traits, _Alloc > *__abbrev=nullptr, \fBminutes\fP *__offset=nullptr)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Alloc = allocator<_CharT>> \fBbasic_istream\fP< _CharT, _Traits > & \fBfrom_stream\fP (\fBbasic_istream\fP< _CharT, _Traits > &__is, const _CharT *__fmt, month &__m, \fBbasic_string\fP< _CharT, _Traits, _Alloc > *__abbrev=nullptr, \fBminutes\fP *__offset=nullptr)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Alloc = allocator<_CharT>> \fBbasic_istream\fP< _CharT, _Traits > & \fBfrom_stream\fP (\fBbasic_istream\fP< _CharT, _Traits > &__is, const _CharT *__fmt, month_day &__md, \fBbasic_string\fP< _CharT, _Traits, _Alloc > *__abbrev=nullptr, \fBminutes\fP *__offset=nullptr)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Duration, typename _Alloc = allocator<_CharT>> \fBbasic_istream\fP< _CharT, _Traits > & \fBfrom_stream\fP (\fBbasic_istream\fP< _CharT, _Traits > &__is, const _CharT *__fmt, sys_time< _Duration > &__tp, \fBbasic_string\fP< _CharT, _Traits, _Alloc > *__abbrev=nullptr, \fBminutes\fP *__offset=nullptr)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Duration, typename _Alloc = allocator<_CharT>> \fBbasic_istream\fP< _CharT, _Traits > & \fBfrom_stream\fP (\fBbasic_istream\fP< _CharT, _Traits > &__is, const _CharT *__fmt, tai_time< _Duration > &__tp, \fBbasic_string\fP< _CharT, _Traits, _Alloc > *__abbrev=nullptr, \fBminutes\fP *__offset=nullptr)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Duration, typename _Alloc = allocator<_CharT>> \fBbasic_istream\fP< _CharT, _Traits > & \fBfrom_stream\fP (\fBbasic_istream\fP< _CharT, _Traits > &__is, const _CharT *__fmt, utc_time< _Duration > &__tp, \fBbasic_string\fP< _CharT, _Traits, _Alloc > *__abbrev=nullptr, \fBminutes\fP *__offset=nullptr)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Alloc = allocator<_CharT>> \fBbasic_istream\fP< _CharT, _Traits > & \fBfrom_stream\fP (\fBbasic_istream\fP< _CharT, _Traits > &__is, const _CharT *__fmt, weekday &__wd, \fBbasic_string\fP< _CharT, _Traits, _Alloc > *__abbrev=nullptr, \fBminutes\fP *__offset=nullptr)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Alloc = allocator<_CharT>> \fBbasic_istream\fP< _CharT, _Traits > & \fBfrom_stream\fP (\fBbasic_istream\fP< _CharT, _Traits > &__is, const _CharT *__fmt, year &__y, \fBbasic_string\fP< _CharT, _Traits, _Alloc > *__abbrev=nullptr, \fBminutes\fP *__offset=nullptr)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Alloc = allocator<_CharT>> \fBbasic_istream\fP< _CharT, _Traits > & \fBfrom_stream\fP (\fBbasic_istream\fP< _CharT, _Traits > &__is, const _CharT *__fmt, year_month &__ym, \fBbasic_string\fP< _CharT, _Traits, _Alloc > *__abbrev=nullptr, \fBminutes\fP *__offset=nullptr)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Alloc = allocator<_CharT>> \fBbasic_istream\fP< _CharT, _Traits > & \fBfrom_stream\fP (\fBbasic_istream\fP< _CharT, _Traits > &__is, const _CharT *__fmt, year_month_day &__ymd, \fBbasic_string\fP< _CharT, _Traits, _Alloc > *__abbrev=nullptr, \fBminutes\fP *__offset=nullptr)"
.br
.ti -1c
.RI "template<typename _Duration> leap_second_info \fBget_leap_second_info\fP (const utc_time< _Duration > &__ut)"
.br
.ti -1c
.RI "const tzdb & \fBget_tzdb\fP ()"
.br
.ti -1c
.RI "\fBtzdb_list\fP & \fBget_tzdb_list\fP ()"
.br
.ti -1c
.RI "constexpr bool \fBis_am\fP (const \fBhours\fP &__h) noexcept"
.br
.ti -1c
.RI "constexpr bool \fBis_pm\fP (const \fBhours\fP &__h) noexcept"
.br
.ti -1c
.RI "template<typename _Duration> __detail::__local_time_fmt< _Duration > \fBlocal_time_format\fP (local_time< _Duration > __time, const \fBstring\fP *__abbrev=nullptr, const \fBseconds\fP *__offset_sec=nullptr)"
.br
.ti -1c
.RI "const time_zone * \fBlocate_zone\fP (string_view __tz_name)"
.br
.ti -1c
.RI "constexpr \fBhours\fP \fBmake12\fP (const \fBhours\fP &__h) noexcept"
.br
.ti -1c
.RI "constexpr \fBhours\fP \fBmake24\fP (const \fBhours\fP &__h, bool __is_pm) noexcept"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const day &__d)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Duration> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const file_time< _Duration > &__t)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Duration> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const gps_time< _Duration > &__t)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Duration> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const \fBhh_mm_ss\fP< _Duration > &__hms)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const local_info &__li)"
.br
.RI "Writes a local_info object to an ostream in an unspecified format\&. "
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Duration> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const local_time< _Duration > &__lt)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const month &__m)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const month_day &__md)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const month_day_last &__mdl)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const month_weekday &__mwd)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const month_weekday_last &__mwdl)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const sys_days &__dp)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const sys_info &__i)"
.br
.RI "Writes a sys_info object to an ostream in an unspecified format\&. "
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Duration> 
.br
requires (!treat_as_floating_point_v<typename _Duration::rep>) && ratio_less_v<typename _Duration::period, days::period>\fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const sys_time< _Duration > &__tp)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Duration> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const tai_time< _Duration > &__t)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Duration> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const utc_time< _Duration > &__t)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const weekday &__wd)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const weekday_indexed &__wdi)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const weekday_last &__wdl)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const year &__y)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const year_month &__ym)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const year_month_day &__ymd)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const year_month_day_last &__ymdl)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const year_month_weekday &__ymwd)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const year_month_weekday_last &__ymwdl)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Duration, typename _TimeZonePtr> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBbasic_ostream\fP< _CharT, _Traits > &__os, const zoned_time< _Duration, _TimeZonePtr > &__t)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Rep, typename _Period> \fBbasic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBstd::basic_ostream\fP< _CharT, _Traits > &__os, const \fBduration\fP< _Rep, _Period > &__d)"
.br
.ti -1c
.RI "template<typename _Dur1, typename _TZPtr1, typename _Dur2, typename _TZPtr2> bool \fBoperator==\fP (const zoned_time< _Dur1, _TZPtr1 > &__x, const zoned_time< _Dur2, _TZPtr2 > &__y)"
.br
.ti -1c
.RI "template<typename _CharT, __detail::__parsable< _CharT > _Parsable> auto \fBparse\fP (const _CharT *__fmt, _Parsable &__tp)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Alloc, typename _StrT = basic_string<_CharT, _Traits, _Alloc>, __detail::__parsable< _CharT, _Traits, _StrT > _Parsable> auto \fBparse\fP (const _CharT *__fmt, _Parsable &__tp, \fBbasic_string\fP< _CharT, _Traits, _Alloc > &__abbrev)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Alloc, typename _StrT = basic_string<_CharT, _Traits, _Alloc>, __detail::__parsable< _CharT, _Traits, _StrT, \fBminutes\fP > _Parsable> auto \fBparse\fP (const _CharT *__fmt, _Parsable &__tp, \fBbasic_string\fP< _CharT, _Traits, _Alloc > &__abbrev, \fBminutes\fP &__offset)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits = char_traits<_CharT>, typename _StrT = basic_string<_CharT, _Traits>, __detail::__parsable< _CharT, _Traits, _StrT, \fBminutes\fP > _Parsable> auto \fBparse\fP (const _CharT *__fmt, _Parsable &__tp, \fBminutes\fP &__offset)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Alloc, __detail::__parsable< _CharT, _Traits > _Parsable> auto \fBparse\fP (const \fBbasic_string\fP< _CharT, _Traits, _Alloc > &__fmt, _Parsable &__tp)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Alloc, typename _StrT = basic_string<_CharT, _Traits, _Alloc>, __detail::__parsable< _CharT, _Traits, _StrT > _Parsable> auto \fBparse\fP (const \fBbasic_string\fP< _CharT, _Traits, _Alloc > &__fmt, _Parsable &__tp, \fBbasic_string\fP< _CharT, _Traits, _Alloc > &__abbrev)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Alloc, typename _StrT = basic_string<_CharT, _Traits, _Alloc>, __detail::__parsable< _CharT, _Traits, _StrT, \fBminutes\fP > _Parsable> auto \fBparse\fP (const \fBbasic_string\fP< _CharT, _Traits, _Alloc > &__fmt, _Parsable &__tp, \fBbasic_string\fP< _CharT, _Traits, _Alloc > &__abbrev, \fBminutes\fP &__offset)"
.br
.ti -1c
.RI "template<typename _CharT, typename _Traits, typename _Alloc, typename _StrT = basic_string<_CharT, _Traits>, __detail::__parsable< _CharT, _Traits, _StrT, \fBminutes\fP > _Parsable> auto \fBparse\fP (const \fBbasic_string\fP< _CharT, _Traits, _Alloc > &__fmt, _Parsable &__tp, \fBminutes\fP &__offset)"
.br
.ti -1c
.RI "const tzdb & \fBreload_tzdb\fP ()"
.br
.ti -1c
.RI "\fBstring\fP \fBremote_version\fP ()"
.br
.ti -1c
.RI "template<typename _ToDur, typename _Rep, typename _Period> constexpr \fBenable_if_t\fP< __and_< __is_duration< _ToDur >, __not_< \fBtreat_as_floating_point\fP< typename _ToDur::rep > > >::value, _ToDur > \fBround\fP (const \fBduration\fP< _Rep, _Period > &__d)"
.br
.ti -1c
.RI "template<typename _ToDur, typename _Clock, typename _Dur> constexpr \fBenable_if_t\fP< __is_duration_v< _ToDur > &&!treat_as_floating_point_v< typename _ToDur::rep >, \fBtime_point\fP< _Clock, _ToDur > > \fBround\fP (const \fBtime_point\fP< _Clock, _Dur > &__tp)"
.br
.ti -1c
.RI "template<typename _ToDur, typename _Clock, typename _Dur> constexpr __enable_if_t< __is_duration< _ToDur >::value, \fBtime_point\fP< _Clock, _ToDur > > \fBtime_point_cast\fP (const \fBtime_point\fP< _Clock, _Dur > &__t)"
.br
.ti -1c
.RI "\fBzoned_time\fP () \-> zoned_time< \fBseconds\fP >"
.br
.ti -1c
.RI "template<typename _TimeZonePtrOrName> \fBzoned_time\fP (_TimeZonePtrOrName &&) \-> zoned_time< \fBseconds\fP, __time_zone_representation< _TimeZonePtrOrName > >"
.br
.ti -1c
.RI "template<typename _TimeZonePtrOrName, typename _Duration> \fBzoned_time\fP (_TimeZonePtrOrName &&, local_time< _Duration >, choose=choose::earliest) \-> zoned_time< \fBcommon_type_t\fP< _Duration, \fBseconds\fP >, __time_zone_representation< _TimeZonePtrOrName > >"
.br
.ti -1c
.RI "template<typename _TimeZonePtrOrName, typename _Duration> \fBzoned_time\fP (_TimeZonePtrOrName &&, sys_time< _Duration >) \-> zoned_time< \fBcommon_type_t\fP< _Duration, \fBseconds\fP >, __time_zone_representation< _TimeZonePtrOrName > >"
.br
.ti -1c
.RI "template<typename _Duration, typename _TimeZonePtrOrName, typename _TimeZonePtr2> \fBzoned_time\fP (_TimeZonePtrOrName &&, zoned_time< _Duration, _TimeZonePtr2 >, choose=choose::earliest) \-> zoned_time< \fBcommon_type_t\fP< _Duration, \fBseconds\fP >, __time_zone_representation< _TimeZonePtrOrName > >"
.br
.ti -1c
.RI "template<typename _Duration> \fBzoned_time\fP (sys_time< _Duration >) \-> zoned_time< \fBcommon_type_t\fP< _Duration, \fBseconds\fP > >"
.br
.in -1c
.PP
.RI "\fB\fP"
.br

.in +1c
.in +1c
.ti -1c
.RI "template<typename _Clock, typename _Dur1, three_way_comparable_with< _Dur1 > _Dur2> constexpr auto \fBoperator<=>\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Clock, typename _Dur1, typename _Dur2> constexpr bool \fBoperator<\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Clock, typename _Dur1, typename _Dur2> constexpr bool \fBoperator<=\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Clock, typename _Dur1, typename _Dur2> constexpr bool \fBoperator>\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Clock, typename _Dur1, typename _Dur2> constexpr bool \fBoperator>=\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.in -1c
.in -1c
.SS "Variables"

.in +1c
.ti -1c
.RI "template<typename _Tp, typename _Clock> constexpr bool \fB__is_time_point_for_v\fP"
.br
.ti -1c
.RI "template<typename _Clock, typename _Duration> constexpr bool \fB__is_time_point_for_v< time_point< _Clock, _Duration >, _Clock >\fP"
.br
.ti -1c
.RI "constexpr month \fBApril\fP"
.br
.ti -1c
.RI "constexpr month \fBAugust\fP"
.br
.ti -1c
.RI "constexpr month \fBDecember\fP"
.br
.ti -1c
.RI "constexpr month \fBFebruary\fP"
.br
.ti -1c
.RI "constexpr weekday \fBFriday\fP"
.br
.ti -1c
.RI "template<typename _Tp, typename = void> constexpr bool \fBis_clock_v\fP"
.br
.ti -1c
.RI "template<typename _Tp> constexpr bool \fBis_clock_v< _Tp, void_t< typename _Tp::rep, typename _Tp::period, typename _Tp::duration, typename _Tp::time_point::duration, decltype(_Tp::is_steady), decltype(_Tp::now())> >\fP"
.br
.ti -1c
.RI "template<> constexpr bool \fBis_clock_v< file_clock >\fP"
.br
.ti -1c
.RI "template<> constexpr bool \fBis_clock_v< gps_clock >\fP"
.br
.ti -1c
.RI "template<> constexpr bool \fBis_clock_v< steady_clock >\fP"
.br
.ti -1c
.RI "template<> constexpr bool \fBis_clock_v< system_clock >\fP"
.br
.ti -1c
.RI "template<> constexpr bool \fBis_clock_v< tai_clock >\fP"
.br
.ti -1c
.RI "template<> constexpr bool \fBis_clock_v< utc_clock >\fP"
.br
.ti -1c
.RI "constexpr month \fBJanuary\fP"
.br
.ti -1c
.RI "constexpr month \fBJuly\fP"
.br
.ti -1c
.RI "constexpr month \fBJune\fP"
.br
.ti -1c
.RI "constexpr last_spec \fBlast\fP"
.br
.ti -1c
.RI "constexpr month \fBMarch\fP"
.br
.ti -1c
.RI "constexpr month \fBMay\fP"
.br
.ti -1c
.RI "constexpr weekday \fBMonday\fP"
.br
.ti -1c
.RI "constexpr month \fBNovember\fP"
.br
.ti -1c
.RI "constexpr month \fBOctober\fP"
.br
.ti -1c
.RI "constexpr weekday \fBSaturday\fP"
.br
.ti -1c
.RI "constexpr month \fBSeptember\fP"
.br
.ti -1c
.RI "constexpr weekday \fBSunday\fP"
.br
.ti -1c
.RI "constexpr weekday \fBThursday\fP"
.br
.ti -1c
.RI "template<typename _Rep> constexpr bool \fBtreat_as_floating_point_v\fP"
.br
.ti -1c
.RI "template<> constexpr bool \fBtreat_as_floating_point_v< double >\fP"
.br
.ti -1c
.RI "template<> constexpr bool \fBtreat_as_floating_point_v< float >\fP"
.br
.ti -1c
.RI "template<> constexpr bool \fBtreat_as_floating_point_v< int >\fP"
.br
.ti -1c
.RI "template<> constexpr bool \fBtreat_as_floating_point_v< long >\fP"
.br
.ti -1c
.RI "template<> constexpr bool \fBtreat_as_floating_point_v< long double >\fP"
.br
.ti -1c
.RI "template<> constexpr bool \fBtreat_as_floating_point_v< long long >\fP"
.br
.ti -1c
.RI "constexpr weekday \fBTuesday\fP"
.br
.ti -1c
.RI "constexpr weekday \fBWednesday\fP"
.br
.in -1c
.in +1c
.ti -1c
.RI "template<typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> constexpr \fBcommon_type\fP< \fBduration\fP< _Rep1, _Period1 >, \fBduration\fP< _Rep2, _Period2 > >\fB::type\fP \fBoperator\-\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.RI "The difference between two durations\&. "
.ti -1c
.RI "template<typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> constexpr \fBcommon_type\fP< \fBduration\fP< _Rep1, _Period1 >, \fBduration\fP< _Rep2, _Period2 > >\fB::type\fP \fBoperator+\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.RI "The sum of two durations\&. "
.in -1c
.in +1c
.ti -1c
.RI "template<typename _Rep1, typename _Rep2, typename _Period> constexpr \fBduration\fP< __common_rep_t< _Rep2, _Rep1 >, _Period > \fBoperator*\fP (const _Rep1 &__s, const \fBduration\fP< _Rep2, _Period > &__d)"
.br
.ti -1c
.RI "template<typename _Rep1, typename _Period, typename _Rep2> constexpr \fBduration\fP< __common_rep_t< _Rep1, __disable_if_is_duration< _Rep2 > >, _Period > \fBoperator/\fP (const \fBduration\fP< _Rep1, _Period > &__d, const _Rep2 &__s)"
.br
.ti -1c
.RI "template<typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> constexpr \fBcommon_type\fP< _Rep1, _Rep2 >\fB::type\fP \fBoperator/\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1, typename _Period, typename _Rep2> constexpr \fBduration\fP< __common_rep_t< _Rep1, __disable_if_is_duration< _Rep2 > >, _Period > \fBoperator%\fP (const \fBduration\fP< _Rep1, _Period > &__d, const _Rep2 &__s)"
.br
.ti -1c
.RI "template<typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> constexpr \fBcommon_type\fP< \fBduration\fP< _Rep1, _Period1 >, \fBduration\fP< _Rep2, _Period2 > >\fB::type\fP \fBoperator%\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1, typename _Period, typename _Rep2> constexpr \fBduration\fP< __common_rep_t< _Rep1, _Rep2 >, _Period > \fBoperator*\fP (const \fBduration\fP< _Rep1, _Period > &__d, const _Rep2 &__s)"
.br
.in -1c
.in +1c
.ti -1c
.RI "template<typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> constexpr bool \fBoperator<\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> 
.br
requires three_way_comparable<\fBcommon_type_t\fP<_Rep1, _Rep2>>constexpr auto \fBoperator<=>\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> constexpr bool \fBoperator<=\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> constexpr bool \fBoperator>\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> constexpr bool \fBoperator>=\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.ti -1c
.RI "template<typename _Rep1, typename _Period1, typename _Rep2, typename _Period2> constexpr bool \fBoperator==\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.in -1c
.in +1c
.ti -1c
.RI "template<typename _Rep1, typename _Period1, typename _Clock, typename _Dur2> constexpr \fBtime_point\fP< _Clock, typename \fBcommon_type\fP< \fBduration\fP< _Rep1, _Period1 >, _Dur2 >\fB::type\fP > \fBoperator+\fP (const \fBduration\fP< _Rep1, _Period1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.RI "Adjust a time point forwards by the given duration\&. "
.ti -1c
.RI "template<typename _Clock, typename _Dur1, typename _Rep2, typename _Period2> constexpr \fBtime_point\fP< _Clock, typename \fBcommon_type\fP< _Dur1, \fBduration\fP< _Rep2, _Period2 > >\fB::type\fP > \fBoperator\-\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.RI "Adjust a time point backwards by the given duration\&. "
.ti -1c
.RI "template<typename _Clock, typename _Dur1, typename _Dur2> constexpr \fBcommon_type\fP< _Dur1, _Dur2 >\fB::type\fP \fBoperator\-\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBtime_point\fP< _Clock, _Dur2 > &__rhs)"
.br
.RI "The difference between two time points (as a duration)\&. "
.ti -1c
.RI "template<typename _Clock, typename _Dur1, typename _Rep2, typename _Period2> constexpr \fBtime_point\fP< _Clock, typename \fBcommon_type\fP< _Dur1, \fBduration\fP< _Rep2, _Period2 > >\fB::type\fP > \fBoperator+\fP (const \fBtime_point\fP< _Clock, _Dur1 > &__lhs, const \fBduration\fP< _Rep2, _Period2 > &__rhs)"
.br
.RI "Adjust a time point forwards by the given duration\&. "
.in -1c
.SH "Detailed Description"
.PP 
ISO C++ 2011 namespace for date and time utilities\&. 
.SH "Author"
.PP 
Generated automatically by Doxygen for libstdc++ from the source code\&.