date(1)

date(1)

do you really want to run time backwards?[yes/no]

Type yes or the equivalent for your locale to set the clock backwards; anything else to cancel the command.

When date is used to set the date, a pair of date change records is written to the ®le /var/adm/wtmp .

(XPG4 only.) No warning is generated if date is set backwards.

Formatting Directives

The following formatting directives, shown without the optional ®eld width and precision speci®cation, are replaced by the indicated characters. If a directive is not one of the following, the result is unde®ned.

The output for digits, characters, and words depends on the language/locale settings. See Environment Variables in EXTERNAL INFLUENCES below.

The examples assume that the date command was executed on Wednesday, January 12, 1994 at 7:45:58 p.m. Paci®c Standard Time, using the C default language.

%a Abbreviated weekday name. For example, Wed. %A Full weekday name. For example, Wednesday. %b Abbreviated month name. For example, Jan.

%B Full month name. For example, January.

%c Current date and time representation. For example, Wed Jan 12 19:45:58 1994.

%C Century (the year divided by 100 and truncated to an integer) as a two-digit decimal number [00-99]. For example, 19.

%d Day of the month as a two-digit decimal number [01-31]. For example, 12.

%e Day of the month as a two-character decimal number with leading space ®ll [" 1"- "31" ]. For example, 12.

%E Combined Emperor/Era name and year.

%H Hour (24-hour clock) as a two-digit decimal number [00-23]. For example, 19. %I Hour (12-hour clock) as a two-digit decimal number [01-12]. For example, 07. %j Day of the year as a three-digit decimal number [001-366]. For example, 012. %m Month as a decimal two-digit number [01-12]. For example, 01.

%M Minute as a decimal two-digit number [00-59]. For example, 45. %n Newline character.

%N Emperor/Era name. %o Emperor/Era year.

%p Equivalent of either AM or PM. For example, PM. %R Time as %H:%M

%S Second as a two-digit decimal number (allows for possible leap seconds) [00-61]. For example,

%t Tab character.

%u Weekday as a one-digit decimal number [1-7(Monday-Sunday)]. For example, 3.

%U Week number of the year (Sunday as the ®rst day of the week) as a two-digit decimal number [00-53]. All days that precede the ®rst Sunday in the year are considered to be in week 00. For example, 02.

%V Week number of the year (Monday as the ®rst day of the week) as a two-digit decimal number [01-53]. If the week containing January 1 has four or more days in the new year (January 1 is Thursday or sooner), it is designated as week 01; otherwise, (January 1 is Friday or later), it is designated as the last week of the previous year, and the next week is week 01. For example,

HP-UX Release 11i: December 2000

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Section 1−165

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