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chaley · 06-03-2021, 11:14 AM

After the next calibre release you will be able to do the calculation using

Code:

program:
	date_arithmetic($$#fechaprestamo, strcat($#diasadevolver, 'd'), 'dd/MM/yyyy')

See this post for details about the date_arithmetic function.

06-03-2021, 11:14 AM	#17
chaley Grand Sorcerer Posts: 12,476 Karma: 8025702 Join Date: Jan 2010 Location: Notts, England Device: Kobo Libra 2	After the next calibre release you will be able to do the calculation using Code: program: date_arithmetic($$#fechaprestamo, strcat($#diasadevolver, 'd'), 'dd/MM/yyyy') See this post for details about the date_arithmetic function.