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China Diapers · 06-30-2019, 12:15 PM

I have added two custom columns to Calibre, 'Start' and 'Finish', both hold date values. I want to calculate the number of days difference between these two date values and populate this in a third column.

Is this possible?

06-30-2019, 12:15 PM	#1
China Diapers Member Posts: 21 Karma: 10 Join Date: May 2011 Device: PRS-600	Result of difference between two dates populated in a column I have added two custom columns to Calibre, 'Start' and 'Finish', both hold date values. I want to calculate the number of days difference between these two date values and populate this in a third column. Is this possible?