"EVENT_TIMESTAMP" for the SensorKit phone usage report

Hello,

Recently we got a question about the event_timestamps for the phone usage report in our research project:

Does the event_timestamp correspond to the start point or end point of a period of interest?

For example, say the event_timestamp is 2024-07-01 23:59:59 with a duration of 86400. The user is noted to have made 2 phone calls during that event_timestamp. Did those phone calls occur in the 86400 seconds prior to that timestamp (i.e., on 2024-07-01) or in the 86400 seconds after that timestamp (i.e., on 2024-07-02)?

Thanks!

Answered by Engineer in 876626022

The event timestamp corresponds to the starting point of the period.

Accepted Answer

The event timestamp corresponds to the starting point of the period.

"EVENT_TIMESTAMP" for the SensorKit phone usage report
 
 
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