From 992ee5140c58a02ce4078d217cfafe9e3e638cc1 Mon Sep 17 00:00:00 2001
From: Joe Taylor <joe@princeton.edu>
Date: Wed, 20 Jul 2022 09:26:41 -0400
Subject: [PATCH] Add a Leap Second for January 1, 2017.  See
 https://www.nist.gov/pml/time-and-frequency-division/time-realization/leap-seconds

---
 lib/slasubs.f | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/slasubs.f b/lib/slasubs.f
index 16081f28b..30ba6dd84 100644
--- a/lib/slasubs.f
+++ b/lib/slasubs.f
@@ -158,6 +158,10 @@
 *  preamble comments appropriately.           *
 * - - - - - - - - - - - - - - - - - - - - - - *
 
+*     2017 January 1
+      ELSE IF (UTC.GE.57754D0) THEN
+         DT=37D0
+
 *     2015 July 1
       ELSE IF (UTC.GE.57204D0) THEN
          DT=36D0