Hi,
The format of the timestamp in the DispatchStats API will be changing in
the near future. It currently is a raw database timestamp[1], which was
a mistake. Once [2] is merged and deployed, it will be a properly
formatted ISO 8601 timestamp.
[1]
https://www.wikidata.org/w/api.php?action=query&meta=siteinfo&sipro…
[2]
https://gerrit.wikimedia.org/r/#/c/138306/
Thanks,
Legoktm