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/usr/lib/swipl/library/date.pl
All Application Manual Name SummaryHelp

  • swipl
    • library
      • error.pl
      • debug.pl -- Print debug messages and test assertions
      • apply.pl -- Apply predicates on a list
      • lists.pl -- List Manipulation
      • broadcast.pl -- Event service
      • predicate_options.pl -- Access and analyse predicate options
      • shlib.pl -- Utility library for loading foreign objects (DLLs, shared objects)
      • option.pl
      • thread_pool.pl -- Resource bounded thread management
      • gensym.pl
      • settings.pl
      • arithmetic.pl -- Extensible arithmetic
      • main.pl -- Provide entry point for scripts
      • readutil.pl
      • operators.pl -- Manage operators
      • pairs.pl -- Operations on key-value lists
      • prolog_source.pl -- Examine Prolog source-files
      • quasi_quotations.pl -- Define Quasi Quotation syntax
      • url.pl -- Analysing and constructing URL
      • www_browser.pl -- Open a URL in the users browser
      • prolog_colour.pl
      • record.pl -- Access compound arguments by name
      • prolog_xref.pl -- Prolog cross-referencer data collection
      • occurs.pl -- Finding and counting sub-terms
      • ordsets.pl -- Ordered set manipulation
      • assoc.pl -- Binary associations
      • ugraphs.pl -- Graph manipulation library
      • iostream.pl -- Utilities to deal with streams
      • atom.pl -- Operations on atoms
      • prolog_pack.pl -- A package manager for Prolog
      • solution_sequences.pl -- Modify solution sequences
      • git.pl -- Run GIT commands
      • ctypes.pl -- Character code classification
      • utf8.pl -- UTF-8 encoding/decoding on lists of character codes.
      • base64.pl -- Base64 encoding and decoding
      • persistency.pl -- Provide persistent dynamic predicates
      • pure_input.pl -- Pure Input from files and streams
      • nb_set.pl -- Non-backtrackable sets
      • aggregate.pl -- Aggregation operators on backtrackable predicates
      • csv.pl -- Process CSV (Comma-Separated Values) data
      • dialect.pl -- Support multiple Prolog dialects
      • apply_macros.pl -- Goal expansion rules to avoid meta-calling
      • yall.pl -- Lambda expressions
      • prolog_code.pl -- Utilities for reasoning about code
      • dif.pl -- The dif/2 constraint
      • thread.pl -- High level thread primitives
      • rbtrees.pl -- Red black trees
      • nb_rbtrees.pl -- Non-backtrackable operations on red black trees
      • random.pl -- Random numbers
      • sandbox.pl -- Sandboxed Prolog code
      • prolog_format.pl -- Analyse format specifications
      • pprint.pl -- Pretty Print Prolog terms
      • modules.pl -- Module utility predicates
      • lazy_lists.pl -- Lazy list handling
      • edinburgh.pl -- Some traditional Edinburgh predicates
      • prolog_clause.pl -- Get detailed source-information about a clause
      • prolog_breakpoints.pl -- Manage Prolog break-points
      • dicts.pl -- Dict utilities
      • ansi_term.pl -- Print decorated text to ANSI consoles
      • threadutil.pl -- Interactive thread utilities
      • terms.pl -- Term manipulation
      • date.pl -- Process dates and times
        • date_time_value/3
        • parse_time/2
        • parse_time/3
        • day_of_the_week/2
        • day_of_the_year/2
      • backcomp.pl -- Backward compatibility
      • prolog_profile.pl -- Execution profiler
      • quintus.pl -- Quintus compatibility
      • listing.pl -- List programs and pretty print clauses
      • base32.pl -- Base32 encoding and decoding
      • charsio.pl -- I/O on Lists of Character Codes
      • codesio.pl -- I/O on Lists of Character Codes
      • coinduction.pl -- Co-Logic Programming
      • heaps.pl -- heaps/priority queues
      • sort.pl
      • statistics.pl -- Get information about resource usage
      • varnumbers.pl -- Utilities for numbered terms
      • when.pl -- Conditional coroutining
      • prolog_versions.pl -- Demand specific (Prolog) versions
      • prolog_history.pl -- Per-directory persistent commandline history
      • prolog_config.pl -- Provide configuration information
      • prolog_stack.pl -- Examine the Prolog stack
      • prolog_wrap.pl -- Wrapping predicates
      • help.pl -- Text based manual
      • make.pl -- Reload modified source files
      • rwlocks.pl -- Read/write locks
      • shell.pl -- Elementary shell commands
      • increval.pl -- Incremental dynamic predicate modification
      • tables.pl -- XSB interface to tables
      • prolog_debug.pl -- User level debugging tools
      • prolog_coverage.pl -- Coverage analysis tool
      • system.pl -- System utilities
      • portray_text.pl -- Portray text
      • prolog_jiti.pl -- Just In Time Indexing (JITI) utilities
      • zip.pl -- Access resource ZIP archives
      • writef.pl -- Old-style formatted write
      • streams.pl -- Manage Prolog streams
      • optparse.pl -- command line parsing
      • tty.pl -- Terminal operations
      • oset.pl -- Ordered set manipulation
      • check.pl -- Consistency checking
      • macros.pl -- Macro expansion
      • exceptions.pl -- Exception classification
      • edit.pl -- Editor interface
      • wfs.pl -- Well Founded Semantics interface
      • strings.pl -- String utilities
      • prolog_autoload.pl -- Autoload all dependencies
      • prolog_codewalk.pl -- Prolog code walker
      • intercept.pl -- Intercept and signal interface
      • prolog_metainference.pl -- Infer meta-predicate properties
      • qsave.pl -- Save current program as a state or executable
      • files.pl
      • prolog_trace.pl -- Print access to predicates
      • hashtable.pl -- Hash tables
      • explain.pl -- Describe Prolog Terms
      • fastrw.pl -- Fast reading and writing of terms
      • win_menu.pl -- Console window menu
 parse_time(+Text, -Stamp) is semidet
 parse_time(+Text, ?Format, -Stamp) is semidet
Stamp is a timestamp created from parsing Text using the representation Format. Currently supported formats are:
rfc_1123
Preferred for the HTTP protocol to represent time-stamps, e.g.
Fri, 08 Dec 2006 15:29:44 GMT

All components except for the time zone are obligatory. If the time zone is omitted, the time is interpreted as local time.

rfc_1036
(Outdated) alternative for HTTP Protocol, e.g.
Sunday, 06-Nov-94 08:49:37 GMT
iso_8601
Commonly used in XML documents. Actually the XML RFC3339 is a profile of ISO8601. For example
2006-12-08T15:29:44Z

The ISO8601 format allows removing components from the right, returning the lowest time stamp in the specified internal. If a time is specified but no time zone, the time stamp is computed for the local time. If only the date components are specified, the stamp uses UTC. To compute the start of a day in local time, use e.g. 2006-12-08T00.

asctime
ANSI C's asctime() format, e.g.
Sun Nov  6 08:49:37 1994

This format has no time zone and is interpreted as local time.

Arguments:
Text- is an atom, string or list of character codes.
See also
- xsd_time_string/3 from library(sgml) implements RFC3339 strictly.
ClioPatria (version V3.1.1-51-ga0b30a5)