diff --git a/erpnext/stock/doctype/stock_ledger_entry/test_stock_ledger_entry.py b/erpnext/stock/doctype/stock_ledger_entry/test_stock_ledger_entry.py
index 5850ec7..4e2fc83 100644
--- a/erpnext/stock/doctype/stock_ledger_entry/test_stock_ledger_entry.py
+++ b/erpnext/stock/doctype/stock_ledger_entry/test_stock_ledger_entry.py
@@ -1183,6 +1183,42 @@
 		backdated.cancel()
 		self.assertEqual([1], ordered_qty_after_transaction())
 
+	def test_timestamp_clash(self):
+
+		item = make_item().name
+		warehouse = "_Test Warehouse - _TC"
+
+		reciept = make_stock_entry(
+			item_code=item,
+			to_warehouse=warehouse,
+			qty=100,
+			rate=10,
+			posting_date="2021-01-01",
+			posting_time="01:00:00",
+		)
+
+		consumption = make_stock_entry(
+			item_code=item,
+			from_warehouse=warehouse,
+			qty=50,
+			posting_date="2021-01-01",
+			posting_time="02:00:00.1234",  # ms are possible when submitted without editing posting time
+		)
+
+		backdated_receipt = make_stock_entry(
+			item_code=item,
+			to_warehouse=warehouse,
+			qty=100,
+			posting_date="2021-01-01",
+			rate=10,
+			posting_time="02:00:00",  # same posting time as consumption but ms part stripped
+		)
+
+		try:
+			backdated_receipt.cancel()
+		except Exception as e:
+			self.fail("Double processing of qty for clashing timestamp.")
+
 
 def create_repack_entry(**args):
 	args = frappe._dict(args)
diff --git a/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py b/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py
index e7b89b1..9088eb8 100644
--- a/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py
+++ b/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py
@@ -31,6 +31,7 @@
 
 	def tearDown(self):
 		frappe.local.future_sle = {}
+		frappe.flags.pop("dont_execute_stock_reposts", None)
 
 	def test_reco_for_fifo(self):
 		self._test_reco_sle_gle("FIFO")
@@ -384,6 +385,7 @@
 		-------------------------------------------
 		Var		| Doc	|	Qty	| Balance
 		-------------------------------------------
+		PR5     | PR    |   10  |  10   (posting date: today-4) [backdated]
 		SR5		| Reco	|	0	|	8	(posting date: today-4) [backdated]
 		PR1		| PR	|	10	|	18	(posting date: today-3)
 		PR2		| PR	|	1	|	19	(posting date: today-2)
@@ -393,6 +395,14 @@
 		item_code = make_item().name
 		warehouse = "_Test Warehouse - _TC"
 
+		frappe.flags.dont_execute_stock_reposts = True
+
+		def assertBalance(doc, qty_after_transaction):
+			sle_balance = frappe.db.get_value(
+				"Stock Ledger Entry", {"voucher_no": doc.name, "is_cancelled": 0}, "qty_after_transaction"
+			)
+			self.assertEqual(sle_balance, qty_after_transaction)
+
 		pr1 = make_purchase_receipt(
 			item_code=item_code, warehouse=warehouse, qty=10, rate=100, posting_date=add_days(nowdate(), -3)
 		)
@@ -402,62 +412,37 @@
 		pr3 = make_purchase_receipt(
 			item_code=item_code, warehouse=warehouse, qty=1, rate=100, posting_date=nowdate()
 		)
-
-		pr1_balance = frappe.db.get_value(
-			"Stock Ledger Entry", {"voucher_no": pr1.name, "is_cancelled": 0}, "qty_after_transaction"
-		)
-		pr3_balance = frappe.db.get_value(
-			"Stock Ledger Entry", {"voucher_no": pr3.name, "is_cancelled": 0}, "qty_after_transaction"
-		)
-		self.assertEqual(pr1_balance, 10)
-		self.assertEqual(pr3_balance, 12)
+		assertBalance(pr1, 10)
+		assertBalance(pr3, 12)
 
 		# post backdated stock reco in between
 		sr4 = create_stock_reconciliation(
 			item_code=item_code, warehouse=warehouse, qty=6, rate=100, posting_date=add_days(nowdate(), -1)
 		)
-		pr3_balance = frappe.db.get_value(
-			"Stock Ledger Entry", {"voucher_no": pr3.name, "is_cancelled": 0}, "qty_after_transaction"
-		)
-		self.assertEqual(pr3_balance, 7)
+		assertBalance(pr3, 7)
 
 		# post backdated stock reco at the start
 		sr5 = create_stock_reconciliation(
 			item_code=item_code, warehouse=warehouse, qty=8, rate=100, posting_date=add_days(nowdate(), -4)
 		)
-		pr1_balance = frappe.db.get_value(
-			"Stock Ledger Entry", {"voucher_no": pr1.name, "is_cancelled": 0}, "qty_after_transaction"
+		assertBalance(pr1, 18)
+		assertBalance(pr2, 19)
+		assertBalance(sr4, 6)  # check if future stock reco is unaffected
+
+		# Make a backdated receipt and check only entries till first SR are affected
+		pr5 = make_purchase_receipt(
+			item_code=item_code, warehouse=warehouse, qty=10, rate=100, posting_date=add_days(nowdate(), -5)
 		)
-		pr2_balance = frappe.db.get_value(
-			"Stock Ledger Entry", {"voucher_no": pr2.name, "is_cancelled": 0}, "qty_after_transaction"
-		)
-		sr4_balance = frappe.db.get_value(
-			"Stock Ledger Entry", {"voucher_no": sr4.name, "is_cancelled": 0}, "qty_after_transaction"
-		)
-		self.assertEqual(pr1_balance, 18)
-		self.assertEqual(pr2_balance, 19)
-		self.assertEqual(sr4_balance, 6)  # check if future stock reco is unaffected
+		assertBalance(pr5, 10)
+		# check if future stock reco is unaffected
+		assertBalance(sr4, 6)
+		assertBalance(sr5, 8)
 
 		# cancel backdated stock reco and check future impact
 		sr5.cancel()
-		pr1_balance = frappe.db.get_value(
-			"Stock Ledger Entry", {"voucher_no": pr1.name, "is_cancelled": 0}, "qty_after_transaction"
-		)
-		pr2_balance = frappe.db.get_value(
-			"Stock Ledger Entry", {"voucher_no": pr2.name, "is_cancelled": 0}, "qty_after_transaction"
-		)
-		sr4_balance = frappe.db.get_value(
-			"Stock Ledger Entry", {"voucher_no": sr4.name, "is_cancelled": 0}, "qty_after_transaction"
-		)
-		self.assertEqual(pr1_balance, 10)
-		self.assertEqual(pr2_balance, 11)
-		self.assertEqual(sr4_balance, 6)  # check if future stock reco is unaffected
-
-		# teardown
-		sr4.cancel()
-		pr3.cancel()
-		pr2.cancel()
-		pr1.cancel()
+		assertBalance(pr1, 10)
+		assertBalance(pr2, 11)
+		assertBalance(sr4, 6)  # check if future stock reco is unaffected
 
 	@change_settings("Stock Settings", {"allow_negative_stock": 0})
 	def test_backdated_stock_reco_future_negative_stock(self):
@@ -563,7 +548,6 @@
 
 		# repost will make this test useless, qty should update in realtime without reposts
 		frappe.flags.dont_execute_stock_reposts = True
-		self.addCleanup(frappe.flags.pop, "dont_execute_stock_reposts")
 
 		item_code = make_item().name
 		warehouse = "_Test Warehouse - _TC"
diff --git a/erpnext/stock/report/stock_ledger_invariant_check/stock_ledger_invariant_check.py b/erpnext/stock/report/stock_ledger_invariant_check/stock_ledger_invariant_check.py
index 837c4a6..ed0e2fc 100644
--- a/erpnext/stock/report/stock_ledger_invariant_check/stock_ledger_invariant_check.py
+++ b/erpnext/stock/report/stock_ledger_invariant_check/stock_ledger_invariant_check.py
@@ -111,17 +111,17 @@
 		},
 		{
 			"fieldname": "posting_date",
-			"fieldtype": "Date",
+			"fieldtype": "Data",
 			"label": _("Posting Date"),
 		},
 		{
 			"fieldname": "posting_time",
-			"fieldtype": "Time",
+			"fieldtype": "Data",
 			"label": _("Posting Time"),
 		},
 		{
 			"fieldname": "creation",
-			"fieldtype": "Datetime",
+			"fieldtype": "Data",
 			"label": _("Creation"),
 		},
 		{
diff --git a/erpnext/stock/stock_ledger.py b/erpnext/stock/stock_ledger.py
index 7e5c231..4789b52 100644
--- a/erpnext/stock/stock_ledger.py
+++ b/erpnext/stock/stock_ledger.py
@@ -1303,6 +1303,8 @@
 	datetime_limit_condition = ""
 	qty_shift = args.actual_qty
 
+	args["time_format"] = "%H:%i:%s"
+
 	# find difference/shift in qty caused by stock reconciliation
 	if args.voucher_type == "Stock Reconciliation":
 		qty_shift = get_stock_reco_qty_shift(args)
@@ -1315,7 +1317,7 @@
 		datetime_limit_condition = get_datetime_limit_condition(detail)
 
 	frappe.db.sql(
-		"""
+		f"""
 		update `tabStock Ledger Entry`
 		set qty_after_transaction = qty_after_transaction + {qty_shift}
 		where
@@ -1323,16 +1325,10 @@
 			and warehouse = %(warehouse)s
 			and voucher_no != %(voucher_no)s
 			and is_cancelled = 0
-			and (timestamp(posting_date, posting_time) > timestamp(%(posting_date)s, %(posting_time)s)
-				or (
-					timestamp(posting_date, posting_time) = timestamp(%(posting_date)s, %(posting_time)s)
-					and creation > %(creation)s
-				)
-			)
+			and timestamp(posting_date, time_format(posting_time, %(time_format)s))
+				> timestamp(%(posting_date)s, time_format(%(posting_time)s, %(time_format)s))
 		{datetime_limit_condition}
-		""".format(
-			qty_shift=qty_shift, datetime_limit_condition=datetime_limit_condition
-		),
+		""",
 		args,
 	)
 
@@ -1383,6 +1379,7 @@
 					and creation > %(creation)s
 				)
 			)
+		order by timestamp(posting_date, posting_time) asc, creation asc
 		limit 1
 	""",
 		args,