The timestamps of the logged data are incorrect when logging to a custom MQTT broker.

Timekeeping on edge devices naturally drifts over time. Timestamp correction of logged data occurs when the data is stored in IXON Cloud. This means that timestamps sent to your MQTT broker are not corrected.

You can solve this by applying time correction, either on the MQTT broker by using a message processing script or middleware to intercept messages and append timestamps, or adjust the timestamps later during post-processing. This can be done by comparing the sent time of the MQTT message to the time on the MQTT broker and applying the time difference to the timestamps of the data.

When logging into the IXON Cloud, the timestamp correction is done by the IXON Cloud.