[minor] timestamp fixes for heatmap
diff --git a/erpnext/accounts/party.py b/erpnext/accounts/party.py
index c65a845..e807055 100644
--- a/erpnext/accounts/party.py
+++ b/erpnext/accounts/party.py
@@ -7,7 +7,7 @@
 import datetime
 from frappe import _, msgprint, scrub
 from frappe.defaults import get_user_permissions
-from frappe.utils import add_days, getdate, formatdate, get_first_day, date_diff, add_years
+from frappe.utils import add_days, getdate, formatdate, get_first_day, date_diff, add_years, get_timestamp
 from erpnext.utilities.doctype.address.address import get_address_display
 from erpnext.utilities.doctype.contact.contact import get_contact_details
 from erpnext.exceptions import PartyFrozen, InvalidCurrency, PartyDisabled, InvalidAccountCurrency
@@ -351,8 +351,17 @@
 def get_timeline_data(doctype, name):
 	'''returns timeline data for the past one year'''
 	from frappe.desk.form.load import get_communication_data
+
+	out = {}
 	data = get_communication_data(doctype, name,
-		fields = 'unix_timestamp(date(creation)), count(name)',
+		fields = 'date(creation), count(name)',
 		after = add_years(None, -1).strftime('%Y-%m-%d'),
 		group_by='group by date(creation)', as_dict=False)
-	return dict(data)
\ No newline at end of file
+
+	timeline_items = dict(data)
+
+	for date, count in timeline_items.iteritems():
+		timestamp = get_timestamp(date)
+		out.update({ timestamp: count })
+
+	return out
\ No newline at end of file
diff --git a/erpnext/stock/doctype/item/item.py b/erpnext/stock/doctype/item/item.py
index d20ba49..f9938ab 100644
--- a/erpnext/stock/doctype/item/item.py
+++ b/erpnext/stock/doctype/item/item.py
@@ -7,7 +7,7 @@
 import json
 import itertools
 from frappe import msgprint, _
-from frappe.utils import cstr, flt, cint, getdate, now_datetime, formatdate, strip
+from frappe.utils import cstr, flt, cint, getdate, now_datetime, formatdate, strip, get_timestamp
 from frappe.website.website_generator import WebsiteGenerator
 from erpnext.setup.doctype.item_group.item_group import invalidate_cache_for, get_parent_item_groups
 from frappe.website.render import clear_cache
@@ -667,10 +667,17 @@
 
 def get_timeline_data(doctype, name):
 	'''returns timeline data based on stock ledger entry'''
-	return dict(frappe.db.sql('''select unix_timestamp(posting_date), count(*)
+	out = {}
+	items = dict(frappe.db.sql('''select posting_date, count(*)
 		from `tabStock Ledger Entry` where item_code=%s
 			and posting_date > date_sub(curdate(), interval 1 year)
 			group by posting_date''', name))
+	
+	for date, count in items.iteritems():
+		timestamp = get_timestamp(date)
+		out.update({ timestamp: count })
+
+	return out
 
 def validate_end_of_life(item_code, end_of_life=None, disabled=None, verbose=1):
 	if (not end_of_life) or (disabled is None):