(flink-cdc) 02/24: [test][ci] Keep E2E timezone selection on hour boundaries

[leonard]

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leonardBang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/flink-cdc.git

commit d20dbc104581bd53b2984d847f874190e7d392c4
Author: Leonard Xu <xbjt...@gmail.com>
AuthorDate: Wed Jul 1 14:57:42 2026 +0800

    [test][ci] Keep E2E timezone selection on hour boundaries
---
 .github/workflows/utils.sh | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/utils.sh b/.github/workflows/utils.sh
index a18831021..4bf12c683 100644
--- a/.github/workflows/utils.sh
+++ b/.github/workflows/utils.sh
@@ -18,9 +18,10 @@
 
################################################################################
 
 function random_timezone() {
-    local rnd=$(expr $RANDOM % 25)
-    local hh=$(expr $rnd / 2)
-    local mm=$(expr $rnd % 2 \* 3)"0"
+    # Keep CI-generated zones on hour boundaries. Some connector dependencies 
do not handle
+    # sub-hour JVM offsets consistently, and connector-specific timezone cases 
cover that behavior.
+    local hh=$(expr $RANDOM % 13)
+    local mm="00"
     local sgn=$(expr $RANDOM % 2)
     if [ $sgn -eq 0 ]
     then
@@ -28,4 +29,4 @@ function random_timezone() {
     else
         echo "GMT-$hh:$mm"
     fi
-}
\ No newline at end of file
+}