The D2DTF routine truncated rather than rounded in the (uncommon) case of a time in the second half of a leap second and a precision of 1 second. Universal Time (UT1), which is defined by Earth's rotation, is not significant in most. Augustine. "D" must drop the handkerchief within 1 minute. Every few years, we give one day an extra second. A leap second is a one-second adjustment that keeps broadcast standards for time of day close to mean solar time. Description. g. Or check it out in the app stores Home; Popular The current difference between UTC and TAI is 37 seconds. By: Search Advanced search…Leap seconds are used to keep the difference between UT1 and UTC to within ±0. Support Role. The leap second’s inventors envisaged that a digital clock displaying UTC, which would normally step from 23:59:59 to 00:00:00, would instead insert an additional 61st second, displayed as 23:59:60. Usogui (The Lie Eater) as he gambles against maniacal opponents at games – such as Escape the Abandoned Building, Old Maid, and Hangman – to ultimately “out-gamble” and control the neutral organization of Kagerou itself. When the SystemInformationClass parameter is SystemLeapSecondInformation, the buffer pointed to by the SystemInformation parameter should be large enough to hold an opaque SYSTEM_LEAP_SECOND_INFORMATION structure for use in enabling or disabling. The leap second is what keeps the world's official clocks---and the world's computers---in sync with the rotation of the earth. WildBlue - plots of satellite internet performance. 1. From 1996-03 in Risks 17. Tomorrow at just before midnight in London, the world's atomic clocks will add one extra second, reading a time of 23:59:60 before ticking back to 00:00:00. Follow Baku Madarame a. On Friday, government representatives. <br><br>Strong education professional with a. This could potentially be one. Not about which series they are from just solely the moments themselves. Follow Bak Madarame a. Open menu Open navigation Go to Reddit Home. However, the world of gambling is neither welcoming nor forgiving, and some will lie and cheat to win. This might sound a little "who cares" for. Get inspired by our community of talented artists. However, the solar day is not always 24. 58My favorite and for me the best game in the series is Air Poker arc. 2. The Tokyo Revengers: Tenjiku Arc (東京リベンジャーズ 天竺編, Tōkyō Ribenjāzu Tenjiku-hen?) is the third season of the Tokyo Revengers anime. UTC would still be the international standard of time, but it would be detached from the sun, drifting by a. Julius Fade. However, leap seconds have long been controversial. The problem with this approach is that the resulting timescale is discontinuous and ambiguous, since a reading during the leap is repeated one. As Izana dies and Kakucho laments over his death, snow. The film sold 213,000 tickets and earned 336 million yen (about US$2. g. But they really confuse computers, which is why. Term of the week: Leap second. China Satellite Navigation Office 2019 BDS-SIS-ICD-B1I-3. The. Negative. Since the 1970s, leap seconds have been used to ensure UTC remains close to UT1. But Usogui is legitimately one of the most thought out, interesting and complex manga I've ever read. For computer clocks that is a problem. Warner Bros. "The Lie Eater") is a Japanese manga series written and illustrated by Toshio Sako. 9 seconds, they order a leap second to be added worldwide. The practice of adding leap seconds has been going on since 1972. March/April, 2007: Baku challenges National Liberation Front "Al Hibul" in Africa, West Darfur. A leap second is a one-second adjustment which is applied to our system of timekeeping every few years, to keep the time of day shown by clocks synchronised with the movement of the Sun across the sky. Plot Synopsis by AsianWiki Staff ©. Share. 9K Aug 25,19 Chapter 264: The Cursed Fools. 8K Dec 13,19. Some operations, including. “Gintama - The last thing i saw from my left eye. 933 are not. In various timelines, he was the Third Division Captain (参番隊 . To avoid a leap year, you would need to define the day such that there are an integer number of days in a year (i. The historical list of leap seconds can be found here. Want to discover art related to usogui? Check out amazing usogui artwork on DeviantArt. It is regarded as the best Blox. If the file does not exist, is not valid, has expired, or is expiring soon, a. Content. Phasing out the leap second as late as 2035 leaves 13 years of possible tech trouble. In both cases this happens at the end of the UTC day. Downvoting for someone: -10 points. Neronero comes back for a "revenge", or maybe be a friend to Baku. Kakucho and Izana vow to create a new era. That being said, you will need to have patience for the first ~70-100 chapters. 26 subscribers in the Usogui_TheLieEater community. Leap seconds are added to our clocks (also referred to as "wall clock") to compensate for the Earth's slowing rotation. YuYu Hakusho - Yusuke absorbing the spirit orb HxH - Kurapika vs Uvogin Daiya no Ace - Sawamura Ace Haikyuu - First point of Nekoma vs Karasuno Usogui - Leap second Crows - Bouya vs Rindaman Berserk - Eclipse” A leap second is a one-second adjustment that is occasionally applied to Coordinated Universal Time (UTC) in order to keep its time of day close to the mean solar time. 02 seconds: Having "leap minutes" in the same way we have "leap seconds" will be a Y2K clusterf**k as many people have mentioned because it will be a once in ~120 years event. STA_DEL (read-write) Delete a leap second at the last second of the UTC day. About every eighteen months the International Earth Rotation Service (IERS) issues a bulletin announcing the insertion of a leap second in the Universal Coordinated Time (UTC) timescale. During a 20-hour “smear window” centered on the leap second, we slightly slow all our servers’ system clocks (by approximately 14 parts per million). k. that moment had my mind blown or when they made lalo Kaiser. k. Or check it out in the app stores Home You know, forgetting things is blissful. Leap seconds make up for the natural slowdown of the Earth's rotation (well, usually). It's much easier than you think. Baku lying here to be able to do leap second is why he's so GOATED. E. As of 1 January 2017, TAI is ahead of UTC by 37 seconds. “TG - Thank You Usogui - Because There Is An End / Leap Second MT - Conclusion Berserk - Eclipse One Piece - Gear 5 AoT - Freedom COTE - Suzune. Madarame Baku / Usogui. tidal forces, earthquakes, hurricanes, etc. Earlier this month, officials decided to do away with the leap second, beginning in 2035 and continuing. leap second: [noun] an intercalary second added to Coordinated Universal Time to compensate for the slowing of the earth's rotation and keep Coordinated. GPS and Galileo are currently broadcasting the following. By the time the last leap second was introduced at the end of 1998, the day length had shrunk back to something like +1. A leap second is an occasional 1-second adjustment to UTC. A 2035 date was a compromise with other entities that wanted to move up the leap second removal, Tavella told AFP. Solution is the below Python Code. There probably were not a lot of us that noticed it during the countdown to midnight last Saturday, but this year, time needed a tweak. Download Leap Second- Everyday Videos and enjoy it on your iPhone, iPad, iPod touch or Mac OS X 10. Background. The days of the leap second creating headaches for software engineers are coming to an end. BIMP is going to allow UTC and UTI to drift apart until at least 2135, hoping that scientists can come up with a better system of accounting. Cha Eun Woo and Park Gyu Young's "A Good Day to Be a Dog" Postpones Episode 5 Broadcast. Last night, a leap second has occurred, and I now have example readings using both of their methods running on several computers. Indian Calendar. 23h 59m 60s. Months have a variable (but repeatable pattern) for the number of days in a month, ranging from 28 to 31. The year must be divisible by 4. k. (These features are under development) Read Chapter 525: The Second Signal - Usogui online at MangaKatana. How many hours in a leap year? One leap year has 366 days. Streaming NASCAR races is a big leap for the series The world of entertainment is pivoting to streaming services. Leap years have 366 days instead of the usual 365 days and occur almost every four years. The "leap second bug" hit just as the web was recovering from a major outage to Amazon Web Services, an online operation that runs as much as 1 percent of the internet. The first leap second was introduced on June 30, 1972. The last leap second took place at the end of 2008 (and increased the TAI − UTC difference from 33s to 34s): the following three events were separated by. 2. The leap second concept was first introduced in 1972 by the International Earth Rotation and Reference Systems Service (IERS) in an attempt to periodically update Coordinated Universal Time (UTC) due to imprecise observed solar time (UT1) and the long-term slowdown in the Earth’s rotation. " The minute was originally defined as 1/60 of an hour (60 seconds), based on the average period of Earth's. SYSTEM_LEAP_SECOND_INFORMATION. The International Earth Rotation and Reference Systems Service. Sat, Nov 19, 2022 · 2 min read. Baku was apparently aware there is a leap second during that particular year in December. Follow our detailed guide to resolve any issues the lepa second issue could cause. He rose to the top of the Tokyo Manji Gang by manipulating Manjiro Sano and orchestrated Hinata Tachibana's murder in several different futures. Predictions The following discusses the leap second flag in the CPF file records, since it is a visible indication that the prediction centers were trying to accommodate the format. e. Baku becomes Leader of Club Kakerou. 2. The nation's satellite. . , >> GPS0 = datetime(1980,1,6,0,0,0, 'TimeZone', 'UTCLeapSeconds') % GPS time 0. GPS is NOT adjusted for leap seconds. It was updated on 15 May 2023 and 8 November 2023. 118. Do not leap twice in the same direction unless outlining a triad. Follow Bak Madarame a. You can use your points to hide ads, change your avatar,. 8K subscribers in the Usogui community. Chapter 265: 10 Second Battle 26. Six months in advance of every leap second, the IERS sends out a. The system of leap seconds was introduced in 1972, and so far, there have been 27 leap seconds. Since 2008, we've addressed this problem internally by "smearing" the leap second, stretching out the change across the hours around the leap. From 1997-04 in Risks 19. Main Role. A leap second is simply an adjustment of a single second to the UTC. It is kept within one second of UT1 but to avoid making many small trivial adjustments it was decided to introduce the concept of a leap second in order to reconcile the difference in. Reading Usogui for the 3rd time, there is so many beautifully written themes representing each character. 002 seconds longer than 24. AstonMac • 2 yr. /waf configure script from the NTP source code package with the --enable-leap-smear parameter before the executables are built. Since the leap second is inserted at the same moment all over the world, the local (civil) time of the insertion depends on the local time offset from UTC, e. The GPS time scale began on. 9 SI seconds of UT1, an astronomical time standard. g. Intermediate. The Windows clock when applying a leap second: it rolls from :59 to :60 to :00, instead of the more usual :59 to :00. Leap Second Smearing is NOT configured by default. A positive leap second is inserted between the UTC second labeled 23:59:59 of the chosen UTC calendar date and the UTC second labeled 00:00:00 of the following date. This flag is only activated on the day of the leap second event. auto_max_age: Maximum age of predictive data before auto-downloading (days). UTC — the reference against which international time zones are set — is calculated by averaging signals from around 400 atomic clocks, with leap seconds added to stop UTC drifting away from. By 2015, when the next leap second was due. Instead of the clock rolling around to 00:00:00 on July 1 as per usual, the time will actually. Since then, there have been 18 leap seconds introduced, such that there is now an. So in Australia, far from where the leap second was added into the master atomic clock, passengers flying Qantas couldn't get onto their planes. A subreddit regarding everything about the series Usogui by Toshio Sako. Atomic time is different from solar time which is measured by the Earth's rotation. ( Almost ) every 4 years a day is added to February to create a 366-day year. We know there are 24 hours in a day, and 60 minutes in an hour, and 60 seconds in a minute. The IERS website is: The leap second information at the IERS website is actually the difference between atomic time (TAI) and UTC. all are leap as divided by 400 (100 and 4 too). The. ago. 60 minutes in every hour. There is no clear boundary between the two. A leap second refers to the periodical addition of one second to the Coordinated Universal Time in order to keep clocks throughout the world synchronized with the Earth’s ever-slowing rotation. Min/max points: -999 to 999. A leap second was added most recently on 30 June 2015 at 23:59:60 UTC. Leap seconds are added to keep the difference between UTC and astronomical time to less than 0. Leap years exist to keep the calendar synchronized with the sidereal year, which is the time that it takes the Earth to revolve around the sun. Baku Madarame, also known as "Usogui," is a skilled gambler who is willing to risk more than just his riches. Leap Second Smearing is NOT configured by default. There are some LEEP-related side effects, including: Cramping similar to that during menstruation. Other Stories:Leap seconds are added to coordinated universal time in order to account for changes in the Earth’s rate of spin. The decision to introduce a leap second in UTC is the responsibility of the Earth Orientation Center of the International Earth Rotation and reference System Service (IERS). 4. Warner Bros. Then, you definitely need a Hoptroff watch. I don't really get that part, unless it was somehow faked by Baku. The decision by WRC-15 calls for. Instead of then adding on a leap minute to clocks, Levine proposed a “kind of smear”, in which the last minute of the day takes two minutes. But due to leap seconds that UTC-time-string might change to "2028-10-26T05:02:39UTC" until the time of the meeting is near. The leap second happens every few years when the standard time around the world is adjusted by one second to account for a slight mismatch between. Have you heard of leap seconds? They’re like Feb. Worse still, Meta points out that "with the Earth's rotation pattern changing, it's very likely that we will get a negative leap second at some point in the future. Below we can see that sometimes only. Premium Explore Gaming. A 2035 date was a compromise with other entities that wanted to move up the leap second removal, Tavella told AFP. Support Two-page view feature, allows you to load all the pages at the same time. We need to stop it before something really bad happens! The good news is we can. This is the approach taken by the POSIX conventions. Club Kakerou is the top illegal gambling den, where gamblers vie to become the best in their profession. UTC is an atomic time scale, based on the performance of atomic clocks that are more stable than the Earth's rotational rate. 0 2019-02 4 4 Signal Specifications 4. Leap seconds like the one that caused more than 2,000 networks to fail at the end of June will be part of the sysadmin's lot until at least 2023, as an. The Russians, for one. A SystemTime does not count leap seconds. 1. There is no universal way to do this, but at Meta we smear the leap second throughout 17 hours, starting at 00:00:00 UTC based on the time zone data (tzdata) package content. The "leap second" will be added at 6:59:59. 001 SI (TAI) seconds fit into a mean solar day. The NTP daemon ntpd can be configured to evaluate a leap second file (a simple text file in a specific format) to. The date sequence of the UTC markers will be: 30 Jun 2015 23H 59M 59S 30 Jun 2015 23H 59M 60S * (extra second). Up to date leap-second table. org. A global group of scientists and government officials voted ( almost unanimously) Friday to axe the small time adjustment method, in a change. 25 of a UT1 second. 93 million) over the weekend. Usually this means adjusting each second by a few nanoseconds over. This so-called intercalary day, February 29, is commonly referred to as leap day. “The advance of a clock slows, but never stops. The Global Positioning System (GPS) system uses GPS Time, which does not include these leap seconds. The number of leap seconds increases by one to 27 on December 31, 2016. Follow Bak Madarame a. Follow Bak Madarame a. Mekama Kirou. While UTC is aware of the occasional (and disputed [1]) insertion of a leap second, . 143 UTC: leap 3, mode 3, version 3, stratum 0, ppoll 64. Spamming: -50 points. 14 A treatise on time measurement. 閏秒 （うるうびょう、 英: leap second ）は、現行の 協定世界時 (UTC) において、 世界時のUT1 との差を調整するために追加もしくは削除される 秒 である [1] [2] 。. Usogui (which means the Lie Eater) is a Japanese movie based on Toshio Sako’s manga of the same name. There are 52 weeks and 2 days in a leap year. Olson right time provides a realization of UTC, with a SI second count since 1970 as a 32/64-bit value, that be converted to/from UTC even on a leap second. The benefit of the LEEP is that it can help remove precancer or early-stage cancers from the patient's cervix or vagina. The table below lists all leap seconds that have already occurred, or are scheduled to occur. The leap second information is broadcast in the navigation message. Leap second definition: . Zealousideal-Deal340 •. The 'leap second' is an extra second added to timekeeping devices periodically; This is to keep them in time with the Earth's rotation, which can change speed; However, scientists have ruled to. Leap Seconds. To save Tokyo. Precession of the earth's axis also effects solar time and consequently leap second events are somewhat irregular in nature. That's real situation in measuring time for someone who loves exactness. 2425 days in a year. Timekeepers added the last leap second on December 31, 2016, just before midnight UTC. The exact format of the file may be found on the IETF leap second list. The head of the IBWM (or BIPM in French) said in November 2022 that Russia opposed the dropping of leap seconds because it wanted to wait until 2040. 31 or June 30. Adjust Leap Second Offset panel, allowing you to schedule the upcoming leap second. But each time we add a leap second, UTC falls behind TAI by one second. This periodic adjustment mainly benefits scientists. The proposal to suppress the leap second would have made continuous reference time-scale available for all modern electronic navigation and computerized systems to operate while eliminating the need for specialized ad hoc time systems. Plotting Adjustment as a piecewise-constant step function over time illustrates how the adjustment works: the step function roughly approximates the accumulated excess LOD, so subtracting it keeps DUT1 small. It is the opposite of a positive leap second, which is a one-second addition to our clocks. 59. Instead of then adding on a leap minute to clocks, Levine proposed a “kind of smear”, in which the last minute of the day takes two minutes. The leap second’s inventors envisaged that a digital clock displaying UTC, which would normally step from 23:59:59 to 00:00:00, would instead insert an additional 61st second, displayed as 23:59:60. Geological events can make the intervals between leap seconds longer (if they slightly speed up the rotation) or shorter (if they slightly slow down the rotation) but the long-term trend is going to be increasingly frequent leap seconds. . If the device has calculated that its system clock loses time (perhaps there needs to be a frequency compensation from the. 59 Eastern Time (corresponding to 23:59. The historical list of leap seconds can be found here. GPS is NOT adjusted for leap seconds. [11] When do leap seconds occur? Leap seconds have always occurred at the end of December or the end of June, on the last second of the UTC day. This troublesome extra second has been wreaking havoc since 1972, and now it faces oblivion. Some of the easier to explain ones would be: Baku's Existentialism but purposeful following of fate at his own will and Souichi's mom representing destiny itself, (this ones really deep, there's speculation on Souichi's mom being. Without such a correction, time reckoned by Earth's rotation drifts away from atomic time because of irregularities in the Earth's rate of rotation. Otherwise, please contact 1-866-HEAT-HELP (1-866-432-8435) to find the address of your county contact. Parameters: tablearray_like or LeapSeconds. But to secure the integrity of these life-threatening gambles, a violent and powerful organization by the name of “Kagerou” referees these games as a neutral party. See examples of LEAP SECOND used in a sentence. This year, New Year's Eve celebrations in the United States won't feel a thing because the adjustment is made just before 7 p. Reply Scan this QR code to download the app now. UTC-SLS is Unix time without a 1 second pause. Expiration days are thus generally at least 150 days after the present. A leap second is a second added to Coordinated Universal Time (UTC) in order to keep it synchronized with astronomical time. Most likely the. Instead of repeating a second, we “smear” away the extra second. The children of the world have long learned to memorise the leap-year formula, that is, after every four years February has 29 days instead of 28 and the yearly number of days become 366 from 365. Apr 20 00:16:34. Posted by u/Top-Bad-145 - 17 votes and 1 commentKiruma Souichi vs L Lawliet(Usogui vs Death Note) After I made the Madarame Baku vs Light Yagami matchup,I think this MU is also make sense. (Leap seconds can, in theory, be used to shorten a day too, although that hasn’t. It’s more a recognition that the disadvantages of the current leap second system are too high, and getting worse. There will be a minute of time that is 61 seconds long. 2TM-2011 Clause 6. The table below lists all leap seconds that have already occurred, or are. And then coming back and surpass somehow. On the other hand, if we stop plugging leap seconds into our time scale, noon on the clock will be midnight in the sky some 3,000 years from now, unless we fix that by adjusting our time. if the time zone is UTC+3h then the leap second will be inserted when the wall clocks show 3 hours after midnight. 86 A lone article which is significant because it mentions the increasing occurrence of leap seconds and posits redefining the second. Sanz Subirana, J. ) UTC diverges from mean solar time or astronomical time. Sidereal time is the measure of the earth's rotation with respect to distant celestial objects. so many peaks. If the ERFA leap seconds file was corrupted, it will be reset. Last leap second: 31 December 2016: TAI - UTC: 37 s: Next leap second: Not scheduled: Leap second file Leap second web service: Latest C04 values for pole coordinates (x,y) and UT1 on 22 Novembre 2023 at 0h UTC: x= 243. 59 at the zero median in Greenwich, England) on either Dec. IERS Bulletin C. USNO Leap Second Announcement. For most people, a single second more or less doesn’t matter much. 1. [deleted] • 1 yr. Parameters: tablearray_like or LeapSeconds. ago. Then it is a leap years. Read Usogui - There are gamblers out there who even bet their lives as ante. The first leap second was introduced on June 30, 1972. At 23:59:59 on December 31, 2016, an additional second was added to UTC (Universal Time Coordinated) so that, for exactly one second, UTC time was 23:59:60. This center is located at paris observatory. In fact, the only real problem is that Unix and Linux systems have a wide range of different ways of coping with them, according to taste. His head is. The historical list of leap seconds can be found here. If a second (or hour) is removed, those times are skipped and apparent timestamps will jump forward. Eclipse from the Golden Age arc (Berserk) vs Leap second reveal from the Duck, Duck, Goose/ Drop the Handkerchief arc (Usogui) comment sorted by Best Top New Controversial Q&A Add a Comment Leap seconds are traditionally added either on June 30 or on December 31. New Years 2001 - cesium rollover. k. [3][4] . A negative leap second could help the world's clocks catch up. , the timekeeping is effectively halted for a second. The leap second simply means the last minute of June had 61 seconds in it, one extra second. 57 2008-12-31 23. The abbreviation combines the letter Y for "year", the number 2 and a capitalized version of k for the SI unit prefix kilo meaning 1000; hence, 2K signifies 2000. ago. Lalo did not consider to flee the island the first time because he had not found the diamonds yet, and the second time he was blinded by his anger at Arata for holding his diamonds. " The new arc promises to delve even deeper. SpaceX's mega rocket Starship launches for a test flight from Starbase in Boca. The corresponding Julian date. The designation of the sequence of seconds is: 23h 59m 59s. Notes. As of 1 January 2017, TAI is ahead of UTC by 37 seconds. When we launched Google Compute Engine, we started providing smeared time via NTP to customers' virtual machines. 15 or later. It was added to keep our modern timekeepers - atomic clocks, which rely on the vibrations in atoms to provide a very accurate measurement of time - in line. Negative leap seconds, the opposite of regular leap seconds, involve subtracting time from the Earth’s timekeeping system so that it aligns. By: Search Advanced search… Drop the Handkerchief is the game Madarame Baku and Kiruma Souichi play for Surpassing the Leader. LEAP in – and tap into the limitless potential of tech. The Earth is spinning faster. months, weeks, and days prior to leap second insertion. Google Public NTP makes this available globally to. 59 milliseconds less time. The upshot is every few years, give or take, the International Bureau of Weights and Measures in France has to add a leap second. The leap second file must be copied to the crypto directory configured for ntpd, and inside that directory a link must be created which points to that file. The timestamp will then look. In addition, natural disasters can cause Earth's rotation to speed up. They are necessary because the Sun's position in the sky is governed by the rate at which the Earth turns on its polar axis, and this varies. , air-traffic. To compensate, starting in 1972, metrologists began occasionally inserting an extra second — a leap second — to the end of an atomic day. . there's actually a valid explanation for it which is known as a leap second, you can look it up on google if you. Sano Hayato. salt_mascarpone • 1 yr. For this years' leap second, a LANTIME NTP server would not start to announce the leap second in its NTP responses before 00:00:00 (UTC). *Due to the leap second, this minute lasts 61 seconds instead of 60. 00 Ignacio Romero (ed. Discover (and save!) your own Pins on PinterestThe last leap second happened on the 31st of December 2016. Gonen, the Vehizoma leader. The following C program has been used to read the time and and determine if a leap second will occur:2. The problem with this is that day and night will drift relative to our clocks, and after 2 years, day and night will be switched. And if you need sub-sub-second precision. ago. The leap second event field can be set to -1, 0 or 1. The event welcomed 172,000+ attendees from 183 countries. Transformations between Time Systems. g. Tetta Kisaki (稀 (き) 咲 (さき) 鉄 (てっ) 太 (た) , Kisaki Tetsuta?) is the main antagonist of Tokyo Revengers up until his death after the Kanto Incident. Technically, there can also be negative leap seconds, should UTC ever get more. The historical list of leap seconds can be found here. RFC 8536 TZif February 2019 1. This strange concept. Microsoft plans to officially support "leap seconds" in Windows 10 and Windows Server editions, the company has revealed today. second has ever occurred, so the table below shows only an example of the positive leap second. She also wore a. 29) are still common. Nobody can say, since we’ve never had a negative leap second. Alas it did in the form of the leap second. Usogui is a failure of a cross-over between Detective Conan (for the crazy enigma) and Baki (for the ridiculously-strong manly-men lame fighting). No leap second for December 31, 2021. This work is done in close conjunction with the International GNSS Service (IGS) and relies upon the IGS. When the leap second flag is set to '1', the prediction record must notA leap second is a onesecond adjustment that is occasionally applied to Coordinated Universal Time (UTC) in order to keep its time of day close to the mean solar time, or UT1. The solution arrived at was leap seconds: one-second corrections applied at the end of December and/or June on an ad hoc basis. History/origin: The term "minute" is derived from the Latin "pars minuta prima" which means the "first small part. [DISC] Usogui Ch.