186689 2018-06-15 13:14:21 -0700 Position timestamp returns from geo api doesn't reflect the current time 2018-06-15 13:14:21 -0700 1 1 1 Unclassified WebKit JavaScriptCore Safari 10 Unspecified Unspecified NEW P2 Normal --- 1 roderickhsiao webkit-unassigned oldest_to_newest 1433526 0 roderickhsiao 2018-06-15 13:14:21 -0700 Tested both on Safari 10 and 11, According to the spec, https://developer.mozilla.org/en-US/docs/Web/API/Position/timestamp The Position.timestamp read-only property, a DOMTimeStamp object, represents the date and the time of the creation of the Position object it belongs to. The precision is to the millisecond. However, the timestamp returns from Safari its something like 550786249369, which is Mon Jun 15 1987 13:10:49 GMT-0700 (PDT) But Date.now() returns 1529093495687 which is Fri Jun 15 2018 13:11:35 GMT-0700 (PDT) There are a 31 years off