6:30 The After-Work Swim

We're kicking off a half hour early all this week which gives us a timely opportunity to find out about your favourite after-work swimming spot.

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Photo: Janice Coyle Nelson Tri Club

Tonight we're joined by Peter Gibbs from Nelson Sea Swims.

7:12 Astronomy

Former University of Canterbury Mt John Observatory superintendent Alan Gilmore is first Nights'  Scientist of 2019.

A photo of Yutu-2 moon rover, taken by the Chang'e-4 lunar probe on the far side of the moon.

Photo: AFP / CNSA via CNS

7:30 The Sampler

Nick Bollinger talks to Appalachian singer-songwriter Tyler Childers about purgatory, pot and the POTUS, and revisits a Bob Dylan classic.

Tyler Childers

Tyler Childers Photo: David McClister Photography, LLC.

8:10 Night Mail

To get in touch, email nights@radionz.co.nz , you can text us from your mobile on 2101 or you can find us on Facebook.

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Photo: Creative commons

8:15 Dateline Pacific

RNZ Pacific's daily current affairs programme covering the major Pacific stories of the week, with background and reaction from the people making the news.

8:30 Window on the World

Alzheimers is a major economic challenge to governments and health-care providers around the world, and will force some fundamental rethinking on how we care for sufferers. Few of us will escape the impact of Alzheimer's Disease. One in three - maybe even one in two of us - will then get dementia and forget almost everything we ever knew. And the lucky others? They will probably end up caring for someone with Alzheimer's, the most common form of dementia. In the first episode of the 3-part series, Solving Alzheimer's we explore how fear in some parts of the world is stigmatising those who have it, and denying help to those who need it. But also how to overcome the fear.

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Photo: 123RF

9:07 Tuesday Feature

Patricia Lockwood

Patricia Lockwood Photo: Supplied

Patricia Lockwood is an American essayist and poet whose most recent volume of verse is Motherland Fatherland Homelandsexuals. Her memoir about her Catholic upbringing, Priestdaddy, charts a childhood under the influence of a larger-than-life father, who converted to Christian belief while serving on a nuclear submarine during the Cold War, after having watched The Exorcist multiple times. Having become a Lutheran pastor, and now with a family, he was accepted into the Roman Catholic church. He is, according to Lockwood, also a narcissist and manic depressive.

10:17 Lately

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Photo: RNZ

Lately with Karyn Hay is a late night radio show on RNZ National, with an eye on live events, an ear for music, a great sense of humour and a genuine interest in people and their stories.

11:07 Worlds of Music

Seckou Keita and Catrin Finch

Seckou Keita and Catrin Finch Photo: Supplied

Trevor Reekie hosts a weekly music programme celebrating an eclectic mix of 'world' music, fusion and folk roots. Tonight, a diverse collection of new Global music plus an interview with Welsh classically trained harpist Catrin Finch and Senegalese Kora player Seckou Keita who have just released their second collaboration called Soar, which has crossed over to a wider audience and seen the duo packing out venues through Europe and the UK and topping the Trans Global Music charts for months.