[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 125 .

Table 125 — 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
🔗 [time.hash]	Hash support
🔗 [ctime.syn]	C library time utilities	<ctime>

30 Time library [time]

30.1 General [time.general]