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Longest stay at No.1 of the US Singles Sales chart

Longest stay at No.1 of the US Singles Sales chart
Who
What Time Is It
Where
United States
When
23 February 2008
On 23 February 2008, The Cast of High School Musical 2’s single ‘What Time Is It’ spent its 27th week at the top of the US Singles Sales chart. The Singles Sales chart only includes physical sales (CDs and vinyl) while the US Singles chart (aka the Hot 100) includes airplay and download information as well.