SRFI-19SRFI-19: Time Data Types and Procedures
http://srfi.schemers.org/srfi-19/srfi-19.html
SRFI-19 is implemented in ChezScheme Chicken Gambit Gauche Gerbil Guile Ikarus Larceny Loko Mosh MzScheme SISC STklos Sagittarius Scheme48 Schluessel Scsh Ypsilon
time-duration, time-monotonic, time-process, time-tai,
time-thread, time-utc
current-date, current-julian-day, current-modified-julian-day,
current-time, time-resolution
make-time, time?, time-type, time-nanosecond,
time-second, set-time-type!, set-time-nanosecond!,
set-time-second!, copy-time
time<=?, time<?, time=?, time>?, time>=?
time-difference, time-difference!, add-duration, add-duration!?,
subtract-duration, subtract-duration!
make-date, date?, date-nanosecond, date-second,
date-minute, date-hour, date-day, date-month, date-year,
date-zone-offset, date-year-day, date-week-day, date-week-number
date->julian-day, date->modified-julian-day, date->time-monotonic,
date->time-tai, date->time-utc, julian-day->date, julian-day->time-monotonic,
julian-day->time-tai, julian-day->time-utc, modified-julian-day->date,
modified-julian-day->time-monotonic, modified-julian-day->time-tai,
modified-julian-day->time-utc, time-monotonic->date,
time-monotonic->julian-day, time-monotonic->modified-julian-day,
time-monotonic->time-tai, time-monotonic->time-tai!,
time-monotonic->time-utc, time-monotonic->time-utc!,
time-tai->date, time-tai->julian-day, time-tai->modified-julian-day,
time-tai->time-monotonic, time-tai->time-monotonic!,
time-tai->time-utc, time-tai->time-utc!,
time-utc->date, time-utc->julian-day, time-utc->modified-julian-day,
time-utc->time-monotonic, time-utc->time-monotonic!,
time-utc->time-tai, time-utc->time-tai!
date->string, string->date
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