Year 2000 problem
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The Year 2000 problem, also known as the Y2K problem, the Millennium bug, the Y2K bug, or Y2K, is a class of computer bugs related to the formatting and storage of calendar data for dates beginning in the year 2000. Problems were anticipated, and arose, because many programs represented four-digit years with only the final two digits — making the year 2000 indistinguishable from 1900. The assumption of a twentieth-century date in such programs could cause various errors, such as the incorrect display of dates and the inaccurate ordering of automated dated records or real-time events.
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See also
- The Deep Impact space mission was lost when its internal clock reached exactly 232 one-tenth seconds since 2000 on 11 August 2013, 00:38:49.
- IPv4 address exhaustion, problems caused by the limited allocation size for numeric internet addresses
- ISO 8601, an international standard for representing dates and times, which mandates the use of (at least) four digits for the year
- Perpetual calendar, a calendar valid for many years, including before and after 2000
- Year 10,000 problem, about computer software that cannot accept five digit years
- YEAR2000, a configuration setting supported by some versions of DR-DOS to overcome Year 2000 BIOS bugs
- 512k day: an event in 2014, involving a software limitation in network routers.
- Y2K (record producer)
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