Unix Timestamp Wall Clock

The year 2038 problem also called y2038 epochalypse y2k38 or unix y2k relates to representing time in many digital systems as the number of seconds passed since 00 00 00 utc on 1 january 1970 and storing it as a signed 32 bit integer such implementations cannot encode times after 03 14 07 utc on 19 january 2038. Webkit chrome timestamp unix hex timestamp cocoa core data timestamp mac hfs timestamp sas timestamp seconds days since year 0 bin oct hex converter countdown in seconds epoch clock. This count starts at the unix epoch on january 1st 1970 at utc.