diff --git a/cmd/goflow2/mapping.yaml b/cmd/goflow2/mapping.yaml
index ca330cb..bf87dd3 100644
--- a/cmd/goflow2/mapping.yaml
+++ b/cmd/goflow2/mapping.yaml
@@ -43,6 +43,8 @@ formatter:
     - name: csum
       index: 999
       type: varint
+  render:
+    time_received_ns: datetimenano
 # Decoder mappings
 ipfix:
   mapping:
diff --git a/producer/proto/render.go b/producer/proto/render.go
index 63c85e2..07e9989 100644
--- a/producer/proto/render.go
+++ b/producer/proto/render.go
@@ -5,6 +5,7 @@ import (
 	"encoding/hex"
 	"net"
 	"net/netip"
+	"time"
 )
 
 type RenderFunc func(msg *ProtoProducerMessage, fieldName string, data interface{}) interface{}
@@ -12,22 +13,26 @@ type RenderFunc func(msg *ProtoProducerMessage, fieldName string, data interface
 type RendererID string
 
 const (
-	RendererNone    RendererID = "none"
-	RendererIP      RendererID = "ip"
-	RendererMac     RendererID = "mac"
-	RendererEtype   RendererID = "etype"
-	RendererProto   RendererID = "proto"
-	RendererType    RendererID = "type"
-	RendererNetwork RendererID = "network"
+	RendererNone         RendererID = "none"
+	RendererIP           RendererID = "ip"
+	RendererMac          RendererID = "mac"
+	RendererEtype        RendererID = "etype"
+	RendererProto        RendererID = "proto"
+	RendererType         RendererID = "type"
+	RendererNetwork      RendererID = "network"
+	RendererDateTime     RendererID = "datetime"
+	RendererDateTimeNano RendererID = "datetimenano"
 )
 
 var (
 	renderers = map[RendererID]RenderFunc{
-		RendererNone:  NilRenderer,
-		RendererIP:    IPRenderer,
-		RendererMac:   MacRenderer,
-		RendererEtype: EtypeRenderer,
-		RendererProto: ProtoRenderer,
+		RendererNone:         NilRenderer,
+		RendererIP:           IPRenderer,
+		RendererMac:          MacRenderer,
+		RendererEtype:        EtypeRenderer,
+		RendererProto:        ProtoRenderer,
+		RendererDateTime:     DateTimeRenderer,
+		RendererDateTimeNano: DateTimeNanoRenderer,
 	}
 
 	defaultRenderers = map[string]RenderFunc{
@@ -90,6 +95,34 @@ func NilRenderer(msg *ProtoProducerMessage, fieldName string, data interface{})
 	return data
 }
 
+func DateTimeRenderer(msg *ProtoProducerMessage, fieldName string, data interface{}) interface{} {
+	if dataC, ok := data.(uint64); ok {
+		ts := time.Unix(int64(dataC), 0).UTC()
+		return ts.Format(time.RFC3339Nano)
+	} else if dataC, ok := data.(int64); ok {
+		ts := time.Unix(dataC, 0).UTC()
+		return ts.Format(time.RFC3339Nano)
+	} else if dataC, ok := data.(uint32); ok {
+		ts := time.Unix(int64(dataC), 0).UTC()
+		return ts.Format(time.RFC3339Nano)
+	} else if dataC, ok := data.(int32); ok {
+		ts := time.Unix(int64(dataC), 0).UTC()
+		return ts.Format(time.RFC3339Nano)
+	}
+	return NilRenderer(msg, fieldName, data)
+}
+
+func DateTimeNanoRenderer(msg *ProtoProducerMessage, fieldName string, data interface{}) interface{} {
+	if dataC, ok := data.(uint64); ok {
+		ts := time.Unix(int64(dataC)/1e9, int64(dataC)%1e9).UTC()
+		return ts.Format(time.RFC3339Nano)
+	} else if dataC, ok := data.(int64); ok {
+		ts := time.Unix(dataC/1e9, dataC%1e9).UTC()
+		return ts.Format(time.RFC3339Nano)
+	}
+	return NilRenderer(msg, fieldName, data)
+}
+
 func MacRenderer(msg *ProtoProducerMessage, fieldName string, data interface{}) interface{} {
 	if dataC, ok := data.(uint64); ok {
 		var mac [8]byte