commit 841c635bf283e4b023bd98fbff9ebda1f340b024
Author: Sebastian Freundt <freundt@ga-group.nl>
Date:   Mon Dec 12 07:53:31 2022 +0000

    test, follow tzdata's research on past transitions, fixes issue #148
    
    Singapore's 1981-12-31 change was at 16:00 UTC (23:30 local time),
    not 24:00 local time.  (Thanks to Geoff Clare via Robert Elz)

diff --git a/test/dzone.008.ctst b/test/dzone.008.ctst
index 94d8017e..758401b5 100644
--- a/test/dzone.008.ctst
+++ b/test/dzone.008.ctst
@@ -1,7 +1,7 @@
 #!/usr/bin/clitosis  ## -*- shell-script -*-
 
 $ dzone --prev Asia/Singapore 2014-02-22
-1982-01-01T00:00:00+07:30 <- 1982-01-01T00:30:00+08:00	Asia/Singapore
+1981-12-31T23:30:00+07:30 <- 1982-01-01T00:00:00+08:00	Asia/Singapore
 $
 
 ## dzone.008.ctst ends here