From 30aa1d0662d5dce12ffb52ff3d066b4406139664 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Thu, 8 Dec 2016 14:37:11 -0800 Subject: [PATCH] =?UTF-8?q?Refer=20to=20Espenak=E2=80=99s=20Uncertainty=20?= =?UTF-8?q?in=20=CE=94T?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Theory: Cite Espenak. (Thanks to Pierpaolo Bernardi.) --- Theory | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Theory b/Theory index 7f836ee..22164f4 100644 --- a/Theory +++ b/Theory @@ -364,6 +364,8 @@ Errors in the tz database arise from many sources: Measurement of the Earth's rotation: 720 BC to AD 2015. Proc Royal Soc A. 2016 Dec 7;472:20160404. http://dx.doi.org/10.1098/rspa.2016.0404 + Also see: Espenak F. Uncertainty in Delta T (ΔT). + http://eclipse.gsfc.nasa.gov/SEhelp/uncertainty2004.html * The relationship between POSIX time (that is, UTC but ignoring leap seconds) and UTC is not agreed upon after 1972. Although the POSIX -- 2.7.4