Begin of the insertion### **Steps to reproduce**

1. Go to Adminitration > Calendars and dates > Working days and hours and set "Duration format" to "Days and hours", and set "Hours per day" to "8" hours.

2. Create work packages with work being "10h"

3. From work packages list, export the work packages as xls (three dots menu > export > button file format: xls > button: export) with column "Work" and "Remaining work" being present

4. Download and open the xls export


### **What is the buggy behavior?**

* End of the insertion The Begin of the insertionexported time field work 10h is exported as 1d 2h.

* SuchEnd of the insertion values can not be Begin of the insertionsummed. 


### **What isEnd of the insertion Begin of the deletion summed\. SoEnd of the deletion the Begin of the insertionexpected behavior?**

1. TimeEnd of the insertion field Begin of the insertionvalues exported to xls should be "10h" despiteEnd of the insertion Begin of the deletion needs haveEnd of the deletion the Begin of the insertionduration format setting so that they can be summed


### **Screenshots and other files**End of the insertion Begin of the deletion correct units set\.End of the deletion

Begin of the insertion<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/523053/content">

### **Environment information**

**OpenProject version**

15.5End of the insertion