diff --git a/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp b/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp
index cce46f1..eeb9d03 100644
--- a/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp
+++ b/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp
@@ -428,7 +428,7 @@
             EXPECT_GE(data.position.ageSeconds, 0);
         }
 
-        EXPECT_GE(data.time.timeEstimate, 1514764800000);  // Jan 01 2018 00:00:00
+        EXPECT_GE(data.time.timeEstimate, 1483228800000);  // Jan 01 2017 00:00:00 GMT.
 
         EXPECT_GT(data.time.timeUncertaintyNs, 0);