Entry date when the entry is actually submitted.
This is from an email from Eremey Valetov on Apr 24th, 2018:
I noticed that ECL logbook entries are not necessarily posted with timestamps reflecting when the 'Post' button is pressed; it seems that the timestamp corresponds to when a form field entry was edited -- before the entry is actually posted. This can result in the log entry time being incorrect. Perhaps you could change this so that the timestamps reflects the actual posting times.