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The GNU C Library

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21.4 Calendar Time

This section describes facilities for keeping track of calendar time. See section 21.1 Time Basics.

The GNU C library represents calendar time three ways:

21.4.1 Simple Calendar Time  Facilities for manipulating calendar time.
21.4.2 High-Resolution Calendar  A time representation with greater precision.
21.4.3 Broken-down Time  Facilities for manipulating local time.
21.4.4 High Accuracy Clock  Maintaining a high accuracy system clock.
21.4.5 Formatting Calendar Time  Converting times to strings.
21.4.6 Convert textual time and date information back  Convert textual time and date information back into broken-down time values.
21.4.7 Specifying the Time Zone with TZ  How users specify the time zone.
21.4.8 Functions and Variables for Time Zones  Functions to examine or specify the time zone.
21.4.9 Time Functions Example  An example program showing use of some of the time functions.


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