Does the Global Positioning System (GPS) have Y2038 issues?

The Global Positioning System, or GPS uses a raw date format which consists of 13-bit ‘number of weeks’ field and a ‘seconds into the week’ field, using an epoch of Jan 6, 1980 at 00:00:00 (UTC). The ‘number of weeks’ field will rollover after 8192 weeks (157 years), so GPS itself should not have any date/time issues until the year 2137. However, Y2038 issues may exist if the raw dates/times from GPS are improperly translated to other date/time formats, or translated to formats such as 32-bit signed integer which inherently have Y2038 issues.

See the wiki page for GPS here for more details.

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Author: John Lange

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