If you don't have the GNU functionality, try tweaking your timezone $TZ
Some systems have a limitation that you cannot go forwards or backwards beyond 24 hours, but some allow a seemingly limitless offset. If your value for $TZ is like GMT0BST........ then you can easily set it:-
If you are with EST5EDT, then:-
Some systems do not have a TZ set. If so, you need to export the value and unset it at the end:-
I hope that this gives you an option, but it is highly OS specific in what it will allow. There are various other date calculation threads on the forums here to search through too.
how do i set the system date and time? i know i have to be root to do it but i'm new to unix--really new--and some of this stuff seems really cryptic. thanks for any help.:confused: (2 Replies)
Hi to all...
I'm currently running a C++ program in Unix environment and it is dependent to a Unix environment variable with a date value.
ex: echo $DateToday
20060403
I want to change that date in my C++ program, changing the value date to 20061120 and revert back to original... (6 Replies)
Hi folks,
I need to write a script that should activate a process according to the current hour.
The process should be activatet only if the hour is between midnight (00:00) and 07:00.
How should I create the condition?
Thanks in advance,
Nir (2 Replies)
Okay so I'm not really a newbie, but this bugs the crap out of me (rant on).
Every so often I need to change the system time. I run "man date" and always find the "date -s" command, but for who knows how long, the manual page has *never* listed the format of the input string required to set the... (1 Reply)
I am modifying some script and need to have the script reflect the current date. I have the script below. In the section yy="2010",mm="07", dd="12" What would I need to change to have the script automatically input the current year month & date instead of manually updated the script daily?
... (2 Replies)
Dear all,
I have 2 questions.
I have a file with many rows which has date of the format YYYYMMDD.
1. I need to change the date to that weeks friday date(Ex: 20120716(monday) to 20120720). Satuday/Sunday has to be changed to next week friday date too.
2. After converting the date to... (10 Replies)
Hi All,
I am trying to add one day to the busdt variable i am extracting from a file (DynamicParam.env). I am deriving the busdt as below.
Is there any function which I can use to derive as below.
If busdt=20120910, then the new derived variable value should be 20120911
If... (2 Replies)
I am not able to pass date stored in a variable as an argument to date command. I get current date value for from_date and to_date
#!/usr/bin/ksh
set -x
for s in server ; do
ssh -T $s <<-EOF
from_date="12-Jan-2015 12:02:09"
to_date="24-Jan-2015 13:02:09"
echo \$from_date
echo... (7 Replies)
i try to set linux date & time in specific format but it keep giving me error
Example :
date "+%d-%m-%C%y %H:%M:%S" -d "19-01-2017 00:05:01"
or
date +"%d-%m-%C%y %H:%M:%S" -d "19-01-2017 00:05:01"
keep giving me this error :
date: invalid date ‘19-01-2017 00:05:01'
Please use CODE tags... (7 Replies)
Hello All,
we what we call a parameter file (.txt) where my application read dynamic values when the job is triggered, one of such values are below:
abc.txt
------------------
line1
line2
line3
$$EDWS_DATE_INSERT=08-27-2019
line4
$$EDWS_PREV_DATE_INSERT=08-26-2019
I am trying to... (1 Reply)
Discussion started by: pradeepp
1 Replies
LEARN ABOUT PHP
datetime.modify
DATETIME.MODIFY(3) 1 DATETIME.MODIFY(3)DateTime::modify - Alters the timestamp
Object oriented style
SYNOPSIS
public DateTime DateTime::modify (string $modify)
DESCRIPTION
Procedural style
DateTime date_modify (DateTime $object, string $modify)
Alter the timestamp of a DateTime object by incrementing or decrementing in a format accepted by strtotime(3).
PARAMETERS
o $object
-Procedural style only: A DateTime object returned by date_create(3). The function modifies this object.
o $modify
-A date/time string. Valid formats are explained in Date and Time Formats.
RETURN VALUES
Returns the DateTime object for method chaining or FALSE on failure.
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.3.6 | |
| | |
| | Absolute date/time statements now take effect. |
| | Previously, only relative parts were used. |
| | |
| 5.3.0 | |
| | |
| | Changed the return value on success from NULL to |
| | DateTime. |
| | |
+--------+---------------------------------------------------+
EXAMPLES
Example #1
DateTime.modify(3) example
Object oriented style
<?php
$date = new DateTime('2006-12-12');
$date->modify('+1 day');
echo $date->format('Y-m-d');
?>
Procedural style
<?php
$date = date_create('2006-12-12');
date_modify($date, '+1 day');
echo date_format($date, 'Y-m-d');
?>
The above examples will output:
2006-12-13
Example #2
Beware when adding or subtracting months
<?php
$date = new DateTime('2000-12-31');
$date->modify('+1 month');
echo $date->format('Y-m-d') . "
";
$date->modify('+1 month');
echo $date->format('Y-m-d') . "
";
?>
The above example will output:
2001-01-31
2001-03-03
SEE ALSO strtotime(3), DateTime.add(3), DateTime.sub(3), DateTime.setDate(3), DateTime.setISODate(3), DateTime.setTime(3), DateTime.setTimes-
tamp(3).
PHP Documentation Group DATETIME.MODIFY(3)