20/20: In an Instant season, which premiered on June 3, 2017. 20/20: In an Instant 20/20: In An Instant is an American documentary series on ABC. The show premiered on Friday, March 6, 2015, before moving to its regular timeslot on Saturday, March 7, 2015, at 9:00 pm. The show follows people who have gone through life changing events as they come to terms and relive the moments. On May 24, 2016, the show was renewed for a second season, which premiered on June 18, 2016, and ran for six consecutive weeks. The season finale aired on July 23, 2016. On May 19, 2017,
Earth the direction of the North Pole. Six months later, this pole will experience a midnight sun, a day of 24 hours, again reversing with the South Pole. By astronomical convention, the four seasons can be determined by the solstices—the points in the orbit of maximum axial tilt toward or away from the Sun—and the equinoxes, when the direction of the tilt and the direction to the Sun are perpendicular. In the Northern Hemisphere, winter solstice currently occurs around 21 December; summer solstice is near 21 June, spring equinox is around 20 March and autumnal equinox is about 22 or 23