Question: When was the Isle of Man transferred from ITV Granada to ITV Border, previously Border Television?

Context paragraphs:
ITV Border: ITV Border, previously Border Television, is the Channel 3 service provided by ITV Broadcasting Limited for the England/Scotland border region, covering most of Cumbria, Dumfries and Galloway, the Scottish Borders and parts of Northumberland.  The TV service previously covered the Isle of Man from 26 March 1965 until 15 July 2009.

Paul Crone: Paul Crone is a presenter for Granada Television, who for more than 20 years has raised more than a quarter of a million pounds for charity.  TV appeals such as 'Up The Amazon' (2003) and 'Sound as a Pound' (2002) have made 'Croney' a popular personality amongst Granada television viewers, and the North West public.  Since July 2014, he has also filed reports for the neighbouring ITV Border magazine, Lookaround.

Keith Mansfield: Keith Mansfield (born 1941) in London, England is a British composer and arranger known for his creation of prominent television theme tunes, including the "Grandstand" theme for the BBC.  Other works include "The Young Scene" (the original 1968 theme to "The Big Match"), "Light and Tuneful" (the opening theme for the BBC's coverage of the Wimbledon Tennis Championships), "World Champions" (the closing theme for NBC's coverage of the same tournament), and "World Series" (used for the BBC's athletics coverage).  One of his library music recordings, "Teenage Carnival", was used as the theme to the cult 1960s ITV children's television series "Freewheelers".  He has also composed film scores for British movies such as "Loot" (1970) and "Taste of Excitement" (1970), and the western "Three Bullets for a Long Gun" (1971).  He also scored the closedown of ITV Granada in the 1980s, before it switched to 24-hour television.

Naomi (singer-songwriter): Naomi (born 29 June 1996) is a female British singer-songwriter born and raised in Manchester, England, formerly known as Caleidra, who first came to prominence after a song she wrote at school in her music class, led to her being signed to a record label and the release of her first single 'With You' on 24 August 2012.  This received national media coverage and Naomi appeared on television programmes such as ITV Daybreak, ITV Granada Reports, radio including BBC Radio Manchester and Salford City Radio, in the national press, The Times, The Independent and The Guardian, teen magazines Mizz and Shout.  Her second single was produced by John McLaughlin who previously worked with Busted, 911 (UK band) and Westlife and led to further appearances in the media, including ITV Granada Reports, further live performances on BBC Radio Manchester, BBC Radio Sheffield, Salford City Radio and during the Manchester International Festival and received impressive media reviews including Music Week.

Lucy Meacock: Lucy Meacock (born 21 November 1959) is an English journalist and presenter employed by ITV Granada.  She has been one of the main female news presenters of ITV regional news programme, Granada Reports since 1988 and celebrated 25 years presenting the programme in November 2013.

Adam McClean: Adam McClean (born c. 1989) is a British journalist and broadcaster who works for ITV Granada.  He reports for North West regional news programme Granada Reports and the regional political programme Party People.  He also contributes to ITV News national output.

Granada Reports: Granada Reports (branded on-screen as ITV News Granada Reports) is a regional news programme for North West England and the Isle of Man, produced by ITV Granada.

Granada Studios: Granada Studios (also known as Quay Street Studios and affectionately as Granadaland) were television studios on Quay Street in Manchester with the facility to broadcast live and recorded programmes.  They were the headquarters of Granada Television and later ITV Granada between 1956 and 2013.  At the time of their closure, the studios were the oldest operating purpose-built television studios in the United Kingdom.

ITV Granada: ITV Granada (formerly Granada Television; informally Granada) is the Channel 3 regional service for North West England.  The licence for the region has been held by ITV Broadcasting Limited since November 2008.  It is the largest independent television-franchise producing company in the UK, accounting for 25% of the total broadcasting output of the ITV network.  It had been held by Granada Television, which was founded by Sidney Bernstein and based at Granada Studios on Quay Street in Manchester since its inception.  This was the only surviving company of the original four Independent Television Authority franchisees from 1954; Granada Media Group (parent company of Granada Television) merged with Carlton Communications to form ITV plc in 2004.  It covers Cheshire, Greater Manchester, Lancashire, Merseyside, northwestern Derbyshire, part of Cumbria and North Yorkshire.  On 15 July 2009, the Isle of Man was transferred to ITV Granada from ITV Border (even though the Isle of Man is a British Crown Dependency and is not part of the United Kingdom).

ITV Choice: ITV Choice (formerly Granada UKTV, Granada TV and ITV Granada) is a cable and satellite television channel owned and operated by ITV plc.  It is available in parts of the Middle East, Africa and Asia as well as in and Malta.

Supporting paragraphs: ITV Granada ITV Border
Answer: 15 July 2009