[tz] [PROPOSED 1/2] Don’t be so sure about leap seconds going away
Paul Eggert
eggert at cs.ucla.edu
Tue May 14 20:42:21 UTC 2024
* NEWS, theory.html (Leap seconds):
* tz-link.html (Precision timekeeping):
Use less-sure wording about leap seconds discontinuance,
since the situation is still murky.
---
NEWS | 2 +-
theory.html | 10 +++++-----
tz-link.html | 1 +
3 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/NEWS b/NEWS
index 5c2cd1e5..e5db26b4 100644
--- a/NEWS
+++ b/NEWS
@@ -322,7 +322,7 @@ Release 2023a - 2023-03-22 12:39:33 -0700
To improve tzselect diagnostics, zone1970.tab's comments column is
now limited to countries that have multiple timezones.
- Note that leap seconds are planned to be discontinued by 2035.
+ Note that there are plans to discontinue leap seconds by 2035.
Release 2022g - 2022-11-29 08:58:31 -0800
diff --git a/theory.html b/theory.html
index 50e9ee4d..4cb293da 100644
--- a/theory.html
+++ b/theory.html
@@ -1278,11 +1278,11 @@ between now and the future time.
<p>
Leap seconds were introduced in 1972 to accommodate the
difference between atomic time and the less regular rotation of the earth.
-Unfortunately they caused so many problems with civil
-timekeeping that they
-are <a href="https://www.bipm.org/en/cgpm-2022/resolution-4">planned
-to be discontinued by 2035</a>.
-Despite their impending obsolescence, a record of leap seconds is still
+Unfortunately they have caused so many problems with civil
+timekeeping that there are
+<a href="https://www.bipm.org/en/cgpm-2022/resolution-4">plans
+to discontinue them by 2035</a>.
+Even if these plans come to fruition, a record of leap seconds will still be
needed to resolve timestamps from 1972 through 2035.
</p>
diff --git a/tz-link.html b/tz-link.html
index c6d96101..aaab7555 100644
--- a/tz-link.html
+++ b/tz-link.html
@@ -1129,6 +1129,7 @@ discontinuous adjustments be made to UTC for at least a century.
The World Radiocommunication Conference <a
href="https://www.itu.int/dms_pub/itu-r/opb/act/R-ACT-WRC.15-2023-PDF-E.pdf">resolved
in 2023</a> to cooperate with this process.
+However, there is still no consensus on how exactly to get rid of them.
</li>
</ul>
</section>
--
2.40.1
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