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7.5.16.5 SRFI-19 Date to string
- Function: date->string date [format]
Convert a date to a string under the control of a format. format should be a string containing ‘~’ escapes, which will be expanded as per the following conversion table. The default format is ‘~c’, a locale-dependent date and time.
Many of these conversion characters are the same as POSIX
strftime(see section Time), but there are some extras and some variations.~~literal ~ ~alocale abbreviated weekday, eg. ‘Sun’ ~Alocale full weekday, eg. ‘Sunday’ ~blocale abbreviated month, eg. ‘Jan’ ~Blocale full month, eg. ‘January’ ~clocale date and time, eg.
‘Fri Jul 14 20:28:42-0400 2000’~dday of month, zero padded, ‘01’ to ‘31’ ~eday of month, blank padded, ‘ 1’ to ‘31’ ~fseconds and fractional seconds, with locale decimal point, eg. ‘5.2’ ~hsame as ~b~Hhour, 24-hour clock, zero padded, ‘00’ to ‘23’ ~Ihour, 12-hour clock, zero padded, ‘01’ to ‘12’ ~jday of year, zero padded, ‘001’ to ‘366’ ~khour, 24-hour clock, blank padded, ‘ 0’ to ‘23’ ~lhour, 12-hour clock, blank padded, ‘ 1’ to ‘12’ ~mmonth, zero padded, ‘01’ to ‘12’ ~Mminute, zero padded, ‘00’ to ‘59’ ~nnewline ~Nnanosecond, zero padded, ‘000000000’ to ‘999999999’ ~plocale AM or PM ~rtime, 12 hour clock, ‘~I:~M:~S ~p’ ~snumber of full seconds since “the epoch” in UTC ~Ssecond, zero padded ‘00’ to ‘60’
(usual limit is 59, 60 is a leap second)~thorizontal tab character ~Ttime, 24 hour clock, ‘~H:~M:~S’ ~Uweek of year, Sunday first day of week, ‘00’ to ‘52’ ~Vweek of year, Monday first day of week, ‘01’ to ‘53’ ~wday of week, 0 for Sunday, ‘0’ to ‘6’ ~Wweek of year, Monday first day of week, ‘00’ to ‘52’ ~yyear, two digits, ‘00’ to ‘99’ ~Yyear, full, eg. ‘2003’ ~ztime zone, RFC-822 style ~Ztime zone symbol (not currently implemented) ~1ISO-8601 date, ‘~Y-~m-~d’ ~2ISO-8601 time+zone, ‘~H:~M:~S~z’ ~3ISO-8601 time, ‘~H:~M:~S’ ~4ISO-8601 date/time+zone, ‘~Y-~m-~dT~H:~M:~S~z’ ~5ISO-8601 date/time, ‘~Y-~m-~dT~H:~M:~S’
Conversions ‘~D’, ‘~x’ and ‘~X’ are not currently described here, since the specification and reference implementation differ.
Conversion is locale-dependent on systems that support it
(see section Accessing Locale Information). See section setlocale, for information on how to change the current
locale.
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