Safari's Autofill feature may be distorting time

The autofill feature of Apple's Safari browser appears to be suffering from a date handling error that occasionally leads it to supply an incorrect credit card expiration date when filling out forms.

The supposed issue has been a sore spot for Apple customers dating back at least to 2017, when the author of an Apple Community forum post complained about changes to the month field in the Autofill credit card expiration date when moving between time zones.

"I've noticed for the last year or so, whenever I travel from Eastern time zone (my home) to Central time zone or even Pacific time zone that my credit card expiration date month changes in Safari Autofill," the Safari user wrote.

Another post in 2021 raised similar concerns.

"I don't know how to reproduce this," the author wrote. "Every few months Safari on any of my devices changes the expiration month of all of my stored credit cards by decreasing the month by …