diff --git a/broker/ntgvision.go b/broker/ntgvision.go
index 746f8ec..782c046 100644
--- a/broker/ntgvision.go
+++ b/broker/ntgvision.go
@@ -223,11 +223,7 @@ func (ntg NTGVision) SearchZips(zips []string) ([]Job, error) {
 
 func (ntg NTGVision) workingHours(now time.Time) bool {
 	// TODO assert M-F 9-4 EST
-	location, err := time.LoadLocation("EST")
-	if err != nil {
-		panic(err)
-	}
-	now = now.In(location)
+	now = now.In(time.FixedZone("EST", -5*60*60))
 	switch now.Weekday() {
 	case time.Sunday, time.Saturday:
 		return false
diff --git a/broker/ntgvision_test.go b/broker/ntgvision_test.go
index cbbe260..92119de 100644
--- a/broker/ntgvision_test.go
+++ b/broker/ntgvision_test.go
@@ -7,10 +7,10 @@ import (
 
 func TestWorkingHoursNTG(t *testing.T) {
 	ntg := NTGVision{}
-	if !ntg.workingHours(time.Date(2022, 1, 27, 12, 0, 0, 0, time.Local)) {
+	if !ntg.workingHours(time.Date(2022, 1, 27, 12, 0, 0, 0, time.FixedZone("MST", -7*60*60))) {
 		t.Fatal("noon MST not ok")
 	}
-	if ntg.workingHours(time.Date(2022, 1, 27, 23, 0, 0, 0, time.Local)) {
+	if ntg.workingHours(time.Date(2022, 1, 27, 23, 0, 0, 0, time.FixedZone("MST", -7*60*60))) {
 		t.Fatal("midnight MST ok")
 	}
 }