Leap second: Revision history

7 July 2025

• curprev 09:4809:48, 7 July 2025 Iheartempirestate talk contribs 73,887 bytes +2 december 2025 update undo

21 June 2025

• curprev 20:1520:15, 21 June 2025 Guy Harris talk contribs 73,885 bytes +33 →Procedure: Use a citation template. undo

25 May 2025

• curprev 21:3021:30, 25 May 2025 OAbot talk contribs m 73,852 bytes +25 Open access bot: url-access updated in citation with #oabot. undo

17 May 2025

• curprev 22:0322:03, 17 May 2025 Rich Farmbrough talk contribs 73,827 bytes +13 →Procedure: Copyedit. undo

29 April 2025

• curprev 14:3214:32, 29 April 2025 LossyTransport talk contribs 73,814 bytes −30 Correct product name spelling; make more concise undo

17 April 2025

• curprev 23:1423:14, 17 April 2025 GreenC bot talk contribs 73,844 bytes 0 Move 2 urls. Wayback Medic 2.5 per WP:URLREQ#navy.mil undo

30 March 2025

• curprev 20:3020:30, 30 March 2025 John Sauter talk contribs 73,844 bytes −2 Undid revision 1282851615 by 2001:4455:112:F700:5100:931F:2A50:D618 (talk) there has not yet been an announcement of whether or not December 31, 2025, will have a leap second. undo Tag: Undo

29 March 2025

• curprev 00:3800:38, 29 March 2025 2001:4455:112:f700:5100:931f:2a50:d618 talk 73,846 bytes +2 →Procedure undo Tag: Reverted

28 March 2025

• curprev 15:2415:24, 28 March 2025 Kvng talk contribs m 73,844 bytes +5 numbers units undo

28 February 2025

• curprev 18:3918:39, 28 February 2025 107.2.195.71 talk 73,839 bytes +1 fix parentheses mismatch undo

21 February 2025

• curprev 00:0800:08, 21 February 2025 PhotographyEdits talk contribs 73,838 bytes −270 simplify section headings, move section undo Tag: Visual edit

15 February 2025

• curprev 01:3901:39, 15 February 2025 2001:4455:1b1:3800:d53a:d02f:6998:1f19 talk 74,108 bytes −17 No edit summary undo

2 February 2025

• curprev 15:5215:52, 2 February 2025 Kvng talk contribs 74,125 bytes +12 Reverted good faith edits by Hywel1977 (talk): Redlinks are OK undo Tags: Twinkle Undo

30 January 2025

• curprev 13:1713:17, 30 January 2025 Hywel1977 talk contribs m 74,113 bytes −12 Removed Wiki links that do not exist undo Tags: Reverted Visual edit

19 January 2025

• curprev 16:0116:01, 19 January 2025 JMF talk contribs 74,125 bytes −40 Shorten per WP:HOWTOSD undo Tag: Shortdesc helper
• curprev 14:1014:10, 19 January 2025 VulcanSphere talk contribs 74,165 bytes +6 →Issues created by insertion (or removal) of leap seconds undo Tag: Visual edit
• curprev 14:0214:02, 19 January 2025 VulcanSphere talk contribs m 74,159 bytes −4 Changing short description from "Extra second inserted to keep civil time in sync with the Earth's rotation" to "Extra second inserted to keep civil time in sync with Earth's rotation" undo Tag: Shortdesc helper
• curprev 13:4113:41, 19 January 2025 VulcanSphere talk contribs m 74,163 bytes +1 →Issues created by insertion (or removal) of leap seconds undo Tag: Visual edit
• curprev 13:3013:30, 19 January 2025 VulcanSphere talk contribs 74,162 bytes +4 →Issues created by insertion (or removal) of leap seconds undo Tag: 2017 wikitext editor
• curprev 13:2913:29, 19 January 2025 VulcanSphere talk contribs 74,158 bytes +1 →Issues created by insertion (or removal) of leap seconds undo Tag: 2017 wikitext editor
• curprev 13:2813:28, 19 January 2025 VulcanSphere talk contribs 74,157 bytes +12 →Issues created by insertion (or removal) of leap seconds: Adding upright to the screenshot undo Tag: 2017 wikitext editor
• curprev 13:2713:27, 19 January 2025 VulcanSphere talk contribs 74,145 bytes +139 →Issues created by insertion (or removal) of leap seconds: Adding screenshot of ChronyControl showing an insert second announcement on 1 June 2015 undo Tag: 2017 wikitext editor

7 January 2025

• curprev 09:5709:57, 7 January 2025 Edgar.bonet talk contribs 74,006 bytes +17 →Insertion of leap seconds: IERS Bulletin C 69: NO leap second will be introduced at the end of June 2025. undo

1 January 2025

• curprev 13:5013:50, 1 January 2025 John Sauter talk contribs 73,989 bytes +100 The two leap seconds in 1972 were part of the 366 days, not separate from them. undo
• curprev 05:2005:20, 1 January 2025 2403:580d:6977:1:6c22:54f8:5ff3:b36f talk 73,889 bytes 0 →Insertion of leap seconds undo
• curprev 05:1905:19, 1 January 2025 2403:580d:6977:1:6c22:54f8:5ff3:b36f talk 73,889 bytes −2 →Insertion of leap seconds undo

24 December 2024

• curprev 22:2722:27, 24 December 2024 51.14.63.62 talk 73,891 bytes +1 No edit summary undo Tags: Mobile edit Mobile web edit

22 December 2024

• curprev 14:4714:47, 22 December 2024 JMF talk contribs 73,890 bytes +21 →Future of leap seconds: IERS Reference Meridian, not coincident with the Greenwich meridian undo
• curprev 13:1513:15, 22 December 2024 JMF talk contribs 73,869 bytes +716 →Slowing rotation of the Earth: Melting ice caps undo

16 December 2024

• curprev 11:1711:17, 16 December 2024 JMF talk contribs 73,153 bytes +4,373 rv unexplained deletions of cited content. Please use the talk page to explain why you consider such a large change is needed. undo Tag: Undo
• curprev 09:4109:41, 16 December 2024 49.184.211.47 talk 68,780 bytes −2,454 No edit summary undo Tags: Reverted Visual edit Mobile edit Mobile web edit
• curprev 08:4908:49, 16 December 2024 49.184.211.47 talk 71,234 bytes −1,919 No edit summary undo Tags: Reverted references removed Visual edit Mobile edit Mobile web edit

30 November 2024

• curprev 02:3702:37, 30 November 2024 Donald Albury talk contribs 73,153 bytes −4 Reverted 1 edit by 92.249.105.70 (talk): Unconstructive undo Tags: Twinkle Undo
• curprev 01:3801:38, 30 November 2024 92.249.105.70 talk 73,157 bytes +4 No edit summary undo Tags: Reverted Mobile edit Mobile web edit

9 November 2024

• curprev 04:4204:42, 9 November 2024 Jc3s5h talk contribs 73,153 bytes +29 Undid revision 1256272249 by 2001:4455:1D2:7800:2808:24A2:D55D:7BE8 (talk). Changed meaning. undo Tag: Undo
• curprev 02:3402:34, 9 November 2024 2001:4455:1d2:7800:2808:24a2:d55d:7be8 talk 73,124 bytes −29 No edit summary undo Tag: Reverted

6 November 2024

• curprev 13:3213:32, 6 November 2024 Edgar.bonet talk contribs 73,153 bytes +26 Undid revision 1255638400 by 2001:4455:1D2:7800:207F:7D00:5914:44CF (talk) undo Tag: Undo

5 November 2024

• curprev 22:5922:59, 5 November 2024 2001:4455:1d2:7800:207f:7d00:5914:44cf talk 73,127 bytes −26 No edit summary undo Tag: Reverted

21 October 2024

• curprev 07:1907:19, 21 October 2024 Polygnotus talk contribs 73,153 bytes +12 Undid revision 1252416311 by 2601:8C0:1:2CC0:8D2:1CD5:727D:47D7 (talk) undo Tag: Undo
• curprev 07:1807:18, 21 October 2024 2601:8c0:1:2cc0:8d2:1cd5:727d:47d7 talk 73,141 bytes −12 Upgrade?? undo Tags: Reverted references removed Visual edit Mobile edit Mobile web edit

18 September 2024

• curprev 00:1300:13, 18 September 2024 GreenC bot talk contribs 73,153 bytes +3 Reformat 1 archive link. Wayback Medic 2.5 per WP:USURPURL and JUDI batch #17 undo

13 September 2024

• curprev 14:5414:54, 13 September 2024 Jc3s5h talk contribs 73,150 bytes +1 Undid revision 1245487802 by 2A00:807:C3:CFA4:3887:8803:D076:C528 (talk) "an" was correct undo Tag: Undo
• curprev 08:0708:07, 13 September 2024 2a00:807:c3:cfa4:3887:8803:d076:c528 talk 73,149 bytes −1 →Workarounds for leap second problems: Fixed a typo undo Tag: Reverted

8 September 2024

• curprev 14:4014:40, 8 September 2024 Donald Albury talk contribs 73,150 bytes +34 Reverted good faith edits by 121.200.5.41 (talk): It is indeed free, the "Purchase this article" button leads to a form for subscribing to the journal undo Tags: Twinkle Undo
• curprev 08:0508:05, 8 September 2024 121.200.5.41 talk 73,116 bytes −34 article is not free undo Tag: Reverted

1 September 2024

• curprev 10:1110:11, 1 September 2024 Edgar.bonet talk contribs m 73,150 bytes 0 Undid revision 1243377998 by 2600:1700:4870:6640:848F:FAAB:487:E5BE (talk): Here, “one-second” is a compound adjective for the noun “adjustment”, hence it needs an hyphen. undo Tag: Undo
• curprev 03:2503:25, 1 September 2024 2600:1700:4870:6640:848f:faab:487:e5be talk 73,150 bytes 0 No edit summary undo Tag: Reverted

15 August 2024

• curprev 17:3617:36, 15 August 2024 Kvng talk contribs m 73,150 bytes −189 unpiped links using script undo

18 July 2024

• curprev 21:3221:32, 18 July 2024 Jc3s5h talk contribs 73,339 bytes −7 Undid revision 1235292652 by 2.196.149.168 (talk). Undo change to uncommon phrase. undo Tag: Undo
• curprev 15:5015:50, 18 July 2024 2.196.149.168 talk 73,346 bytes +7 No edit summary undo Tag: Reverted