diff --git a/pkg/yqlib/doc/operators/datetime.md b/pkg/yqlib/doc/operators/datetime.md
index 3a2fb72d..7bf9c24d 100644
--- a/pkg/yqlib/doc/operators/datetime.md
+++ b/pkg/yqlib/doc/operators/datetime.md
@@ -91,11 +91,11 @@ Converts from unix time
 
 Running
 ```bash
-yq --null-input '1675301929 | from_unix'
+yq --null-input '1675301929 | from_unix | tz("UTC")'
 ```
 will output
 ```yaml
-2023-02-02T12:38:49+11:00
+2023-02-02T01:38:49Z
 ```
 
 ## Timezone: from standard RFC3339 format
diff --git a/pkg/yqlib/operator_datetime_test.go b/pkg/yqlib/operator_datetime_test.go
index 74b81390..b326a254 100644
--- a/pkg/yqlib/operator_datetime_test.go
+++ b/pkg/yqlib/operator_datetime_test.go
@@ -42,9 +42,9 @@ var dateTimeOperatorScenarios = []expressionScenario{
 	{
 		description:    "From Unix",
 		subdescription: "Converts from unix time",
-		expression:     `1675301929 | from_unix`,
+		expression:     `1675301929 | from_unix | tz("UTC")`,
 		expected: []string{
-			"D0, P[], (!!timestamp)::2023-02-02T12:38:49+11:00\n",
+			"D0, P[], (!!timestamp)::2023-02-02T01:38:49Z\n",
 		},
 	},
 	{