9999

9999 may refer to:

• 9999 (number), a cardinal number which precedes 10000
• 9999, year in the far future (see below for only this year)
• 9999 (album), 2019 album by The Yellow Monkey
• 9999 Wiles, asteroid approximately 7 kilometers in diameter

This article is about the year 9999. For the number, see 9999 (number). For other uses, see 9999 (disambiguation).

Millennium:	10th millennium
Centuries:	99th century 100th century 101st century
Decades:	9970s 9980s 9990s 10000s 10010s
Years:	9996 9997 9998 9999 10000 10001 10002

9999 (IXCMXCIX) will be a common year starting on Friday of the Gregorian calendar, the 9999th year of the Common Era (CE) and Anno Domini (AD) designations, the 999th year of the 10th millennium, the 99th year of the 100th century, and the 10th and last year of the 9990s decade.

This will be the last and final 4-digit year. After this year, years will start being 5 digits. It will be the end of the time of 4-digit-years since they began on Monday, January 1st, 1000. The last day of the four-digit years will be on Friday, December 31st, 9999. The day following that will be Saturday, January 1st, 10000.

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