leap second

Summary

leap second is an intercalation^[1]. It has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.^[2]

Key Facts

• leap second's instance of is recorded as intercalation^[3].
• leap second followed 23:59:59^[4].
• leap second was followed by 00:00:00^[5].
• leap second is a type of second^[6].
• leap second is part of UTC^[7].
• leap second is part of 23:59^[8].
• leap second's Commons category is recorded as Leap second^[9].
• leap second was dissolved in 2035^[10].
• leap second began on June 30, 1972^[11].
• leap second's described at URL is recorded as https://www.nytimes.com/2022/11/14/science/time-leap-second.html^[12].
• leap second's described at URL is recorded as https://www.nytimes.com/2023/11/03/science/time-leap-second.html^[13].
• leap second's Stack Exchange tag is recorded as https://stackoverflow.com/tags/leap-second^[14].
• leap second's hashtag is recorded as LeapSecond^[15].
• leap second's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4^[16].

Body

When and Where

leap second began on June 30, 1972^[11].

Context

Part of include UTC^[7], a time standard^[17] and 23:59^[8]. leap second's instance of is recorded as intercalation^[3]. It followed 23:59:59^[4]. It was followed by 00:00:00^[5].

Why It Matters

leap second has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.^[2] It is known by 27 alternative names across languages and contexts.^[18]