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Full Discussion: Day/Hour diff between two date
Top Forums Shell Programming and Scripting Day/Hour diff between two date Post 302951227 by balajesuri on Tuesday 4th of August 2015 06:08:09 AM
Old 08-04-2015
With GNU date:
Code:
d1=$(date -d "20150802 11:30:45" +%s)
d2=$(date -d "20150728 16:30:45" +%s)
diff=$(( d1 - d2 )) # This gives the difference between the two dates in seconds.

 

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LEARN ABOUT PHP

cal_to_jd

CAL_TO_JD(3)								 1							      CAL_TO_JD(3)

cal_to_jd - Converts from a supported calendar to Julian Day Count

SYNOPSIS

       int cal_to_jd (int  $calendar, int  $month, int	$day, int  $year)

DESCRIPTION

       cal_to_jd(3)  calculates  the  Julian  day count for a date in the specified $calendar. Supported $calendars are CAL_GREGORIAN, CAL_JULIAN,
       CAL_JEWISH and CAL_FRENCH.

PARAMETERS

	      o $calendar
		- Calendar to convert from, one of CAL_GREGORIAN, CAL_JULIAN, CAL_JEWISH or CAL_FRENCH.

	      o $month
		- The month as a number, the valid range depends on the $calendar

	      o $day
		- The day as a number, the valid range depends on the $calendar

	      o $year
		- The year as a number, the valid range depends on the $calendar

RETURN VALUES

	A Julian Day number.

SEE ALSO

       cal_from_jd(3), frenchtojd(3), gregoriantojd(3), jewishtojd(3), juliantojd(3), unixtojd(3).

PHP Documentation Group 													      CAL_TO_JD(3)
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