Dates: date.ss

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Dates: `date.ss`

Files: date.ss, dateu.ss, dater.ss, dates.ss
Requires: functios.ss
Opened form requires: functiou.ss
Signature: mzlib:date^
Unit: mzlib:date@, imports mzlib:function^

See also section 11.4.

(date->string date [time?]) PROCEDURE

Converts a date structure value (such as returned by MzScheme's seconds->date) to a string. The returned string contains the time of day only if time? is a true value; the default is #f. See also date-display-format.

(date-display-format [format-symbol]) PROCEDURE

Parameter that determines the date display format, one of 'american, 'chinese, 'german, 'indian, 'irish, 'iso-8601, or 'julian. The initial format is 'american.

(find-seconds second minute hour day month year) PROCEDURE

Finds the representation of a date in platform-specific seconds. The arguments correspond to the fields of the date structure. If the platform cannot represent the specified date, an error is signaled, otherwise an integer is returned.

(date->julian/scalinger date) PROCEDURE

Converts a date structure (up to 2099 BCE Gregorian) into a Julian date number. The returned value is not a strict Julian number, but rather Scalinger's version, which is off by one for easier calculations.

(julian/scalinger->string date) PROCEDURE

Converts a Julian number (Scalinger's off-by-one version) into a string.

PLT