преобразовать дату и время в строку (convert date and time to a string)
Смотри также (See also)
asctime(3p), clock(3p), ctime(3p), difftime(3p), getdate(3p),
gmtime(3p), localtime(3p), mktime(3p), strptime(3p), time(3p),
tzset(3p), uselocale(3p), utime(3p)
The Base Definitions volume of POSIX.1‐2017, Section 7.3.5,
LC_TIME, time.h(0p)
