diff --git a/erpnext/stock/deprecated_serial_batch.py b/erpnext/stock/deprecated_serial_batch.py
index 08ac3eea91f013504cecc7c18e1d0a285e668455..7d08639c268d797519f100c2394a9b2a290bd156 100644
--- a/erpnext/stock/deprecated_serial_batch.py
+++ b/erpnext/stock/deprecated_serial_batch.py
@@ -3,7 +3,7 @@ from collections import defaultdict
 
 import frappe
 from frappe.query_builder.functions import CombineDatetime, Sum
-from frappe.utils import flt
+from frappe.utils import flt, nowtime
 from frappe.utils.deprecations import deprecated
 from pypika import Order
 
@@ -110,7 +110,10 @@ class DeprecatedBatchNoValuation:
 		sle = frappe.qb.DocType("Stock Ledger Entry")
 
 		timestamp_condition = None
-		if self.sle.posting_date and self.sle.posting_time:
+		if self.sle.posting_date:
+			if self.sle.posting_time is None:
+				self.sle.posting_time = nowtime()
+
 			posting_datetime = get_combine_datetime(self.sle.posting_date, self.sle.posting_time)
 			if not self.sle.creation:
 				posting_datetime = posting_datetime + datetime.timedelta(milliseconds=1)
diff --git a/erpnext/stock/serial_batch_bundle.py b/erpnext/stock/serial_batch_bundle.py
index f829419355da72e3ba46a0ae436d09c14c2037db..11e45c9922ecec3f8e8fe734e00a9784807f0d10 100644
--- a/erpnext/stock/serial_batch_bundle.py
+++ b/erpnext/stock/serial_batch_bundle.py
@@ -657,7 +657,10 @@ class BatchNoValuation(DeprecatedBatchNoValuation):
 		child = frappe.qb.DocType("Serial and Batch Entry")
 
 		timestamp_condition = ""
-		if self.sle.posting_date and self.sle.posting_time:
+		if self.sle.posting_date:
+			if self.sle.posting_time is None:
+				self.sle.posting_time = nowtime()
+
 			timestamp_condition = CombineDatetime(parent.posting_date, parent.posting_time) < CombineDatetime(
 				self.sle.posting_date, self.sle.posting_time
 			)