The longest duration between birth of twins is 87 days
Maria Jones-Elliot from Ireland gave birth to twins Amy Ann and Kate Marie Elliot 87 days apart, making them the twins with the longest interval between their births, according to Guinness. Amy was born prematurely on June 1, 2012, while Kate was born on August 27. The exact interval between their birth is 87 days, 1 hour and 45 minutes.