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| Other names | The Summer30 |
|---|---|
| Genre | Music, talk |
| Running time | 150 minutes (7:30 pm – 10:00 pm) |
| Country of origin | Australia |
| Language(s) | English |
| Home station | 2Day FM |
| Syndicates | |
| Hosted by | Michael 'MC' Christian Mel Greig |
| Original release | 1996 – 7 December 2012 |
| Audio format | Stereophonic sound |
| Website | Hot30 Countdown |
The Hot30 Countdown was an Australian radio show hosted by Mike Christian (MC) and Mel Greig. It was broadcast on the Today Network from the studios of 2Day FM in Sydney, New South Wales to every state and the Australian Capital Territory following The Dirt. It was cancelled on 10 December 2012, following the death of Jacintha Saldanha, and was replaced by The Bump.