directives for strptime/strftime

reference date time: 2019-06-07 07:03:12.234394

year

year	2019	%Y
year, 2-digits, zero-padded	19	%y

month

month full name (locale specific)	June	%B
month abbreviated name (locale specific)	Jun	%b
month, zero-padded	06	%m

day

day of the month, zero-padded	07	%d
day of the year, zero-padded	158	%j

time

hour, 24h clock, zero-padded	07	%H
hour, 12h clock, zero-padded	07	%I
minute, zero-padded	03	%M
second, zero-padded	12	%S
microsecond, zero-padded	234394	%f
AM/PM (locale specific)	AM	%p

timezone

time zone name	UTC	%Z
UTC offset in the form ±HHMM[SS[.ffffff]]	+0000	%z

week

weekday full name (locale specific)	Friday	%A
weekday abbreviated name (locale specific)	Fri	%a
weekday as a number Sunday is 0	5	%w
week number of the year, zero-padded, Monday first day	22	%W
week number of the year, zero-padded Sunday first day	22	%U

locale representation for time/date/datetime

time representation	07:03:12	%X
date representation	06/07/19	%x
datetime representation	Fri Jun 7 07:03:12 2019	%c

ISO 8601 parameters

ISO 8601 year	2019	%G
ISO 8601 weekday	5	%u
ISO 8601 week number, Monday first day	23	%V

extra

literal % character

%

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