Sure it can. Check out: check_business_date, Standard_to_Business, Business_to_Standard, Easter_Sunday & the recipes (especially #10 solution #2).
It's not necessarily the easiest way to do it though. ;-)
In reply to Re: Re: Re: Calculate down time of devices in prime time (only working hours, excluding p_holidays)
by Mr. Muskrat
in thread Calculate down time of devices in prime time (only working hours, excluding p_holidays)
by albertc
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