diff --git a/erpnext/venue/doctype/item_booking/item_booking.py b/erpnext/venue/doctype/item_booking/item_booking.py
index 58c209f187edab2ab59d1aa23318558017e592da..eb0f5519416e14f059f70c3818ec25af392ab243 100644
--- a/erpnext/venue/doctype/item_booking/item_booking.py
+++ b/erpnext/venue/doctype/item_booking/item_booking.py
@@ -2038,6 +2038,7 @@ def get_booking_count(item=None, starts_on=None, ends_on=None):
 		ends_on = starts_on
 
 	starts_on, ends_on = get_datetime(starts_on), get_datetime(ends_on)
+	assert starts_on and ends_on
 
 	simultaneous_bookings_enabled = frappe.db.get_single_value(
 		"Venue Settings", "enable_simultaneous_booking"
@@ -2049,7 +2050,11 @@ def get_booking_count(item=None, starts_on=None, ends_on=None):
 	else:
 		capacity = 1
 
-	events = _get_events(starts_on, ends_on, item=item_doc)
+	# Because the query is datetime-inclusive, exclude every result that:
+	# - ends on the start of the range
+	# - starts on the end of the range
+	one_sec = timedelta(seconds=1)
+	events = _get_events(starts_on + one_sec, ends_on - one_sec, item=item_doc)
 	current = len(events)
 
 	return {"capacity": capacity, "current": current, "remaining": capacity - current}