[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 86 .

Table 86 — Time library summary

Subclause		Header(s)
[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.tod]	Class template time_of_day
[time.zone]	Time zones
[time.format]	Formatting
[time.parse]	Parsing
[ctime.syn]	C library time utilities	<ctime>

25 Time library [time]

25.1 General [time.general]