[time.general]

This Clause describes the chrono library ([time.syn]) and various C functions ([ctime.syn]) that provide generally useful time utilities, as summarized in Table 96 .

Table 96: Time library summary [tab:time.summary]

	Subclause	Header
[time.clock.req]	Cpp17Clock requirements
[time.traits]	Time-related traits	<chrono>
[time.duration]	Class template duration
[time.point]	Class template time_point
[time.clock]	Clocks
[time.cal]	Civil calendar
[time.hms]	Class template hh_mm_ss
[time.12]	12/24 hour functions
[time.zone]	Time zones
[time.format]	Formatting
[time.parse]	Parsing
[ctime.syn]	C library time utilities	<ctime>

27 Time library [time]

27.1 General [time.general]