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1. Time conversion from UTC to Excel time
For Inksight system, the first column represents the Absolute timestamp in UTC. This is the time in seconds, since 01/01/2019.
To convert this into excel time stamp format do as follow:
Add to the TimeAbs UTC the number 3755289600 these are the seconds from 01/01/1900 to 01/01/2019
Divide by 86400, which is the amount of seconds in one day.
If the TimeAbs UTC value is equal to 59554408, then:
The value 44153.28713 are the days since 01/01/1900. The fractional part represents minutes, seconds etc.