Do you want to request a feature or report a bug?
Bug
What is the current behavior?
When you use the WORKDAY function (Ex. WORKDAY(B3,5,Holidays) with day-offset value greater then 1
function return holiday day and skip day after holiday day.

If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem.
WORKDAY_BUG.xlsx
What is the expected behavior?
WORKDAY function should not return holiday day and should return workday after holiday
Did this work in previous versions of DocumentServer?
No
DocumentServer version:
5.1.3
Operating System:
Windows 10 x64 1803
Browser version:
Firefox 61.0b4
Related issues
Sample correct implementation: http://jsfiddle.net/mposr3mp/
Hello, @jkolo.
Thank you. I can confirm - this is a bug, issue 37779 in our internal issue tracker.
Any progress?
@jkolo hi, currently no, but I remind dev team to have a look, try to include your fix in 5.2.0
@jkolo your changes are in https://github.com/ONLYOFFICE/sdkjs/commit/b035af02ab9ab6ed0ec05ed331782ca0ff7f2113
This will be released as 5.2, thank you
DocumentServer 5.2.0 released
Issue should be fixed