diff --git a/cmd/core-runtime/information_request_test.go b/cmd/core-runtime/information_request_test.go
index 94b60db..abe42b7 100644
--- a/cmd/core-runtime/information_request_test.go
+++ b/cmd/core-runtime/information_request_test.go
@@ -9,7 +9,6 @@ import (
 func TestSpecializedInformationReplyIsNotOverwrittenByResearch(t *testing.T) {
 	for _, kind := range []interaction.InformationRequestKind{
 		interaction.InformationRequestMemoryInventory,
-		interaction.InformationRequestTimeDifference,
 		interaction.InformationRequestCapabilityInventory,
 		interaction.InformationRequestCognitiveModelInventory,
 		interaction.InformationRequestCognitiveChannelStatus,
@@ -19,6 +18,9 @@ func TestSpecializedInformationReplyIsNotOverwrittenByResearch(t *testing.T) {
 			t.Fatalf("specialized information request %q must bypass general research", kind)
 		}
 	}
+	if !shouldRunGeneralResearch(interaction.InformationRequestTimeDifference) {
+		t.Fatal("time difference must use the current-data research route")
+	}
 	if !shouldRunGeneralResearch("") {
 		t.Fatal("ordinary research requests must still use general research")
 	}
diff --git a/cmd/core-runtime/main.go b/cmd/core-runtime/main.go
index 135d82d..addcd5c 100644
--- a/cmd/core-runtime/main.go
+++ b/cmd/core-runtime/main.go
@@ -770,9 +770,6 @@ func main() {
 		case interaction.InformationRequestMemoryInventory:
 			planningReply = humanMemoryInventory(conversationHistory, assistantName)
 			needsCognition = false
-		case interaction.InformationRequestTimeDifference:
-			planningReply = humanTimeDifferenceReply(effectiveTaskMessage)
-			needsCognition = false
 		case interaction.InformationRequestResearchFailureExplanation:
 			planningReply = "Я не выдаю предположение как факт, если не получил согласованных проверяемых данных. Могу повторить поиск, уточнить запрос или проверить другой источник."
 			needsCognition = false
@@ -1638,7 +1635,7 @@ func main() {
 }
 
 func shouldRunGeneralResearch(kind interaction.InformationRequestKind) bool {
-	return kind == ""
+	return kind == "" || kind == interaction.InformationRequestTimeDifference
 }
 
 func creatorSessionHandler(bootstrapToken, creatorUsername, creatorPassword string, sessionKey []byte, now func() time.Time) http.HandlerFunc {
@@ -1974,14 +1971,6 @@ func latestAssistantName(history []interaction.HumanUtterance) string {
 	return latestName
 }
 
-func humanTimeDifferenceReply(message string) string {
-	lower := strings.ToLower(message)
-	if strings.Contains(lower, "моск") && strings.Contains(lower, "шанх") {
-		return "Шанхай опережает Москву на 5 часов. Если в Москве 12:00, в Шанхае 17:00."
-	}
-	return "Уточните два города — я сравню их часовые пояса."
-}
-
 func researchSourceLabel(finding epistemics.ResearchFinding) string {
 	title := strings.TrimSpace(finding.Source.Title)
 	locator := strings.TrimSpace(finding.Source.Locator)