diff --git a/erpnext/startup/leaderboard.py b/erpnext/startup/leaderboard.py
index 90ecd46..5545f13 100644
--- a/erpnext/startup/leaderboard.py
+++ b/erpnext/startup/leaderboard.py
@@ -50,11 +50,12 @@
 	return leaderboards
 
 @frappe.whitelist()
-def get_all_customers(from_date, company, field, limit = None):
+def get_all_customers(date_range, company, field, limit = None):
 	if field == "outstanding_amount":
 		filters = [['docstatus', '=', '1'], ['company', '=', company]]
-		if from_date:
-			filters.append(['posting_date', '>=', from_date])
+		if date_range:
+			date_range = frappe.parse_json(date_range)
+			filters.append(['posting_date', '>=', 'between', [date_range[0], date_range[1]]])
 		return frappe.db.get_all('Sales Invoice',
 			fields = ['customer as name', 'sum(outstanding_amount) as value'],
 			filters = filters,
@@ -68,18 +69,20 @@
 		elif field == "total_qty_sold":
 			select_field = "sum(so_item.stock_qty)"
 
+		date_condition = get_date_condition(date_range, 'so.transaction_date')
+
 		return frappe.db.sql("""
 			select so.customer as name, {0} as value
 			FROM `tabSales Order` as so JOIN `tabSales Order Item` as so_item
 				ON so.name = so_item.parent
-			where so.docstatus = 1 and so.transaction_date >= %s and so.company = %s
+			where so.docstatus = 1 {1} and so.company = %s
 			group by so.customer
 			order by value DESC
 			limit %s
-		""".format(select_field), (from_date, company, cint(limit)), as_dict=1) #nosec
+		""".format(select_field, date_condition), (company, cint(limit)), as_dict=1)
 
 @frappe.whitelist()
-def get_all_items(from_date, company, field, limit = None):
+def get_all_items(date_range, company, field, limit = None):
 	if field in ("available_stock_qty", "available_stock_value"):
 		select_field = "sum(actual_qty)" if field=="available_stock_qty" else "sum(stock_value)"
 		return frappe.db.get_all('Bin',
@@ -102,23 +105,25 @@
 			select_field = "sum(order_item.stock_qty)"
 			select_doctype = "Purchase Order"
 
+		date_condition = get_date_condition(date_range, 'sales_order.transaction_date')
+
 		return frappe.db.sql("""
 			select order_item.item_code as name, {0} as value
 			from `tab{1}` sales_order join `tab{1} Item` as order_item
 				on sales_order.name = order_item.parent
 			where sales_order.docstatus = 1
-				and sales_order.company = %s and sales_order.transaction_date >= %s
+				and sales_order.company = %s {2}
 			group by order_item.item_code
 			order by value desc
 			limit %s
-		""".format(select_field, select_doctype), (company, from_date, cint(limit)), as_dict=1) #nosec
+		""".format(select_field, select_doctype, date_condition), (company, cint(limit)), as_dict=1) #nosec
 
 @frappe.whitelist()
-def get_all_suppliers(from_date, company, field, limit = None):
+def get_all_suppliers(date_range, company, field, limit = None):
 	if field == "outstanding_amount":
 		filters = [['docstatus', '=', '1'], ['company', '=', company]]
-		if from_date:
-			filters.append(['posting_date', '>=', from_date])
+		if date_range:
+			filters.append(['posting_date', 'between' [date_range[0], date_range[1]]])
 		return frappe.db.get_all('Purchase Invoice',
 			fields = ['supplier as name', 'sum(outstanding_amount) as value'],
 			filters = filters,
@@ -132,18 +137,22 @@
 		elif field == "total_qty_purchased":
 			select_field = "sum(purchase_order_item.stock_qty)"
 
+		date_condition = get_date_condition(date_range, 'purchase_order.modified')
+
 		return frappe.db.sql("""
 			select purchase_order.supplier as name, {0} as value
 			FROM `tabPurchase Order` as purchase_order LEFT JOIN `tabPurchase Order Item`
 				as purchase_order_item ON purchase_order.name = purchase_order_item.parent
-			where purchase_order.docstatus = 1 and  purchase_order.modified >= %s
+			where
+				purchase_order.docstatus = 1
+				{1}
 				and  purchase_order.company = %s
 			group by purchase_order.supplier
 			order by value DESC
-			limit %s""".format(select_field), (from_date, company, cint(limit)), as_dict=1) #nosec
+			limit %s""".format(select_field, date_condition), (company, cint(limit)), as_dict=1) #nosec
 
 @frappe.whitelist()
-def get_all_sales_partner(from_date, company, field, limit = None):
+def get_all_sales_partner(date_range, company, field, limit = None):
 	if field == "total_sales_amount":
 		select_field = "sum(`base_net_total`)"
 	elif field == "total_commission":
@@ -154,8 +163,9 @@
 		'docstatus': 1,
 		'company': company
 	}
-	if from_date:
-		filters['transaction_date'] = ['>=', from_date]
+	if date_range:
+		date_range = frappe.parse_json(date_range)
+		filters['transaction_date'] = ['between', [date_range[0], date_range[1]]]
 
 	return frappe.get_list('Sales Order', fields=[
 		'`sales_partner` as name',
@@ -163,15 +173,27 @@
 	], filters=filters, group_by='sales_partner', order_by='value DESC', limit=limit)
 
 @frappe.whitelist()
-def get_all_sales_person(from_date, company, field = None, limit = 0):
+def get_all_sales_person(date_range, company, field = None, limit = 0):
+	date_condition = get_date_condition(date_range, 'sales_order.transaction_date')
+
 	return frappe.db.sql("""
 		select sales_team.sales_person as name, sum(sales_order.base_net_total) as value
 		from `tabSales Order` as sales_order join `tabSales Team` as sales_team
 			on sales_order.name = sales_team.parent and sales_team.parenttype = 'Sales Order'
 		where sales_order.docstatus = 1
-			and sales_order.transaction_date >= %s
 			and sales_order.company = %s
+			{date_condition}
 		group by sales_team.sales_person
 		order by value DESC
 		limit %s
-	""", (from_date, company, cint(limit)), as_dict=1)
+	""".format(date_condition=date_condition), (company, cint(limit)), as_dict=1)
+
+def get_date_condition(date_range, field):
+	date_condition = ''
+	if date_range:
+		date_range = frappe.parse_json(date_range)
+		from_date, to_date = date_range
+		date_condition = "and {0} between {1} and {2}".format(
+			field, frappe.db.escape(from_date), frappe.db.escape(to_date)
+		)
+	return date_condition
\ No newline at end of file