diff --git a/erpnext/manufacturing/doctype/job_card/job_card.js b/erpnext/manufacturing/doctype/job_card/job_card.js
index 3fe9b8a..95549d5 100644
--- a/erpnext/manufacturing/doctype/job_card/job_card.js
+++ b/erpnext/manufacturing/doctype/job_card/job_card.js
@@ -18,20 +18,27 @@
 		}
 
 		if (frm.doc.docstatus == 0) {
-			if (!frm.doc.actual_start_date || !frm.doc.actual_end_date) {
-				frm.trigger("make_dashboard");
-			}
+			frm.trigger("make_dashboard");
 
-			if (!frm.doc.actual_start_date) {
+			if (!frm.doc.job_started) {
 				frm.add_custom_button(__("Start Job"), () => {
-					frm.set_value('actual_start_date', frappe.datetime.now_datetime());
+					let row = frappe.model.add_child(frm.doc, 'Job Card Time Log', 'time_logs');
+					row.from_time = frappe.datetime.now_datetime();
+					frm.set_value('job_started', 1);
+					frm.set_value('started_time' , row.from_time);
 					frm.save();
 				});
-			} else if (!frm.doc.actual_end_date) {
+			} else {
 				frm.add_custom_button(__("Complete Job"), () => {
-					frm.set_value('actual_end_date', frappe.datetime.now_datetime());
-					frm.save();
-					frm.savesubmit();
+					let completed_time = frappe.datetime.now_datetime();
+					frm.doc.time_logs.forEach(d => {
+						if (d.from_time && !d.to_time) {
+							d.to_time = completed_time;
+							frm.set_value('started_time' , '');
+							frm.set_value('job_started', 0);
+							frm.save();
+						}
+					})
 				});
 			}
 		}
@@ -53,8 +60,8 @@
 
 		var section = frm.dashboard.add_section(timer);
 
-		if (frm.doc.actual_start_date) {
-			let currentIncrement = moment(frappe.datetime.now_datetime()).diff(moment(frm.doc.actual_start_date),"seconds");
+		if (frm.doc.started_time) {
+			let currentIncrement = moment(frappe.datetime.now_datetime()).diff(moment(frm.doc.started_time),"seconds");
 			initialiseTimer();
 
 			function initialiseTimer() {
diff --git a/erpnext/manufacturing/doctype/job_card/job_card.json b/erpnext/manufacturing/doctype/job_card/job_card.json
index b020c89..39c5cce 100644
--- a/erpnext/manufacturing/doctype/job_card/job_card.json
+++ b/erpnext/manufacturing/doctype/job_card/job_card.json
@@ -21,6 +21,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "work_order", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -54,6 +55,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "bom_no", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -87,6 +89,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "workstation", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -120,6 +123,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "operation", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -153,6 +157,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "column_break_4", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -185,6 +190,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "default": "Today", 
+   "fetch_if_empty": 0, 
    "fieldname": "posting_date", 
    "fieldtype": "Date", 
    "hidden": 0, 
@@ -217,6 +223,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "company", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -250,6 +257,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "for_quantity", 
    "fieldtype": "Float", 
    "hidden": 0, 
@@ -282,6 +290,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "wip_warehouse", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -315,6 +324,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "timing_detail", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -347,6 +357,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "employee", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -380,7 +391,74 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
-   "fieldname": "time_in_mins", 
+   "fetch_if_empty": 0, 
+   "fieldname": "time_logs", 
+   "fieldtype": "Table", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 0, 
+   "in_standard_filter": 0, 
+   "label": "Time Logs", 
+   "length": 0, 
+   "no_copy": 0, 
+   "options": "Job Card Time Log", 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "translatable": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_bulk_edit": 0, 
+   "allow_in_quick_entry": 0, 
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
+   "fetch_if_empty": 0, 
+   "fieldname": "section_break_13", 
+   "fieldtype": "Section Break", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 0, 
+   "in_standard_filter": 0, 
+   "length": 0, 
+   "no_copy": 0, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "translatable": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_bulk_edit": 0, 
+   "allow_in_quick_entry": 0, 
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
+   "fetch_if_empty": 0, 
+   "fieldname": "total_completed_qty", 
    "fieldtype": "Float", 
    "hidden": 0, 
    "ignore_user_permissions": 0, 
@@ -389,7 +467,7 @@
    "in_global_search": 0, 
    "in_list_view": 0, 
    "in_standard_filter": 0, 
-   "label": "Time In Mins", 
+   "label": "Total Completed Qty", 
    "length": 0, 
    "no_copy": 0, 
    "permlevel": 0, 
@@ -412,7 +490,8 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
-   "fieldname": "column_break_13", 
+   "fetch_if_empty": 0, 
+   "fieldname": "column_break_15", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
    "ignore_user_permissions": 0, 
@@ -443,8 +522,9 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
-   "fieldname": "actual_start_date", 
-   "fieldtype": "Datetime", 
+   "fetch_if_empty": 0, 
+   "fieldname": "total_time_in_mins", 
+   "fieldtype": "Float", 
    "hidden": 0, 
    "ignore_user_permissions": 0, 
    "ignore_xss_filter": 0, 
@@ -452,14 +532,14 @@
    "in_global_search": 0, 
    "in_list_view": 0, 
    "in_standard_filter": 0, 
-   "label": "Actual Start Date", 
+   "label": "Total Time in Mins", 
    "length": 0, 
    "no_copy": 0, 
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
    "print_hide_if_no_value": 0, 
-   "read_only": 0, 
+   "read_only": 1, 
    "remember_last_selected_value": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -475,38 +555,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
-   "fieldname": "actual_end_date", 
-   "fieldtype": "Datetime", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Actual End Date", 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
-  {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "section_break_8", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -539,6 +588,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "items", 
    "fieldtype": "Table", 
    "hidden": 0, 
@@ -572,6 +622,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "more_information", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -604,6 +655,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "operation_id", 
    "fieldtype": "Data", 
    "hidden": 1, 
@@ -637,6 +689,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "default": "0", 
+   "fetch_if_empty": 0, 
    "fieldname": "transferred_qty", 
    "fieldtype": "Float", 
    "hidden": 0, 
@@ -670,6 +723,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "default": "0", 
+   "fetch_if_empty": 0, 
    "fieldname": "requested_qty", 
    "fieldtype": "Float", 
    "hidden": 0, 
@@ -702,6 +756,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "project", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -735,6 +790,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "remarks", 
    "fieldtype": "Small Text", 
    "hidden": 0, 
@@ -767,6 +823,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "column_break_20", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -799,6 +856,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "default": "Open", 
+   "fetch_if_empty": 0, 
    "fieldname": "status", 
    "fieldtype": "Select", 
    "hidden": 0, 
@@ -832,6 +890,73 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fetch_if_empty": 0, 
+   "fieldname": "job_started", 
+   "fieldtype": "Check", 
+   "hidden": 1, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 0, 
+   "in_standard_filter": 0, 
+   "label": "Job Started", 
+   "length": 0, 
+   "no_copy": 1, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 1, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 1, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "translatable": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_bulk_edit": 0, 
+   "allow_in_quick_entry": 0, 
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
+   "fetch_if_empty": 0, 
+   "fieldname": "started_time", 
+   "fieldtype": "Datetime", 
+   "hidden": 1, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 0, 
+   "in_standard_filter": 0, 
+   "label": "Started Time", 
+   "length": 0, 
+   "no_copy": 1, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 1, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 1, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "translatable": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_bulk_edit": 0, 
+   "allow_in_quick_entry": 0, 
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
+   "fetch_if_empty": 0, 
    "fieldname": "amended_from", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -868,7 +993,7 @@
  "issingle": 0, 
  "istable": 0, 
  "max_attachments": 0, 
- "modified": "2018-12-13 17:23:57.986381", 
+ "modified": "2019-03-10 17:38:37.499871", 
  "modified_by": "Administrator", 
  "module": "Manufacturing", 
  "name": "Job Card", 
diff --git a/erpnext/manufacturing/doctype/job_card/job_card.py b/erpnext/manufacturing/doctype/job_card/job_card.py
index ea9f714..23a4e51 100644
--- a/erpnext/manufacturing/doctype/job_card/job_card.py
+++ b/erpnext/manufacturing/doctype/job_card/job_card.py
@@ -11,44 +11,56 @@
 
 class JobCard(Document):
 	def validate(self):
-		self.validate_actual_dates()
-		self.set_time_in_mins()
+		self.validate_time_logs()
 		self.set_status()
 
-	def validate_actual_dates(self):
-		if get_datetime(self.actual_start_date) > get_datetime(self.actual_end_date):
-			frappe.throw(_("Actual start date must be less than actual end date"))
+	def validate_time_logs(self):
+		self.total_completed_qty = 0.0
+		self.total_time_in_mins = 0.0
 
-		if not (self.employee and self.actual_start_date and self.actual_end_date):
-			return
+		for d in self.get('time_logs'):
+			if get_datetime(d.from_time) > get_datetime(d.to_time):
+				frappe.throw(_("Row {0}: From time must be less than to time").format(d.idx))
 
-		data = frappe.db.sql(""" select name from `tabJob Card`
-			where
-				((%(actual_start_date)s > actual_start_date and %(actual_start_date)s < actual_end_date) or
-				(%(actual_end_date)s > actual_start_date and %(actual_end_date)s < actual_end_date) or
-				(%(actual_start_date)s <= actual_start_date and %(actual_end_date)s >= actual_end_date)) and
-				name != %(name)s and employee = %(employee)s and docstatus =1
-		""", {
-			'actual_start_date': self.actual_start_date,
-			'actual_end_date': self.actual_end_date,
-			'employee': self.employee,
-			'name': self.name
-		}, as_dict=1)
+			data = self.get_overlap_for(d)
+			if data:
+				frappe.throw(_("Row {0}: From Time and To Time of {1} is overlapping with {2}")
+					.format(d.idx, self.name, data.name))
 
-		if data:
-			frappe.throw(_("Start date and end date is overlapping with the job card <a href='#Form/Job Card/{0}'>{1}</a>")
-				.format(data[0].name, data[0].name))
+			if d.from_time and d.to_time:
+				d.time_in_mins = time_diff_in_hours(d.to_time, d.from_time) * 60
+				self.total_time_in_mins += d.time_in_mins
 
-	def set_time_in_mins(self):
-		if self.actual_start_date and self.actual_end_date:
-			self.time_in_mins = time_diff_in_hours(self.actual_end_date, self.actual_start_date) * 60
+			if d.completed_qty:
+				self.total_completed_qty += d.completed_qty
+
+	def get_overlap_for(self, args):
+		existing = frappe.db.sql("""select jc.name as name from
+			`tabJob Card Time Log` jctl, `tabJob Card` jc where jctl.parent = jc.name and
+			(
+				(%(from_time)s > jctl.from_time and %(from_time)s < jctl.to_time) or
+				(%(to_time)s > jctl.from_time and %(to_time)s < jctl.to_time) or
+				(%(from_time)s <= jctl.from_time and %(to_time)s >= jctl.to_time))
+			and jctl.name!=%(name)s
+			and jc.name!=%(parent)s
+			and jc.docstatus < 2
+			and jc.employee = %(employee)s """,
+			{
+				"from_time": args.from_time,
+				"to_time": args.to_time,
+				"name": args.name or "No Name",
+				"parent": args.parent or "No Name",
+				"employee": self.employee
+			}, as_dict=True)
+
+		return existing[0] if existing else None
 
 	def get_required_items(self):
 		if not self.get('work_order'):
 			return
 
 		doc = frappe.get_doc('Work Order', self.get('work_order'))
-		if doc.transfer_material_against == 'Work Order' and doc.skip_transfer:
+		if doc.transfer_material_against == 'Work Order' or doc.skip_transfer:
 			return
 
 		for d in doc.required_items:
@@ -67,36 +79,51 @@
 				})
 
 	def on_submit(self):
-		self.validate_dates()
+		self.validate_job_card()
 		self.update_work_order()
 		self.set_transferred_qty()
 
-	def validate_dates(self):
-		if not self.actual_start_date and not self.actual_end_date:
-			frappe.throw(_("Actual start date and actual end date is mandatory"))
-
 	def on_cancel(self):
 		self.update_work_order()
 		self.set_transferred_qty()
 
+	def validate_job_card(self):
+		if not self.time_logs:
+			frappe.throw(_("Time logs are required for job card {0}").format(self.name))
+
+		if self.total_completed_qty <= 0.0:
+			frappe.throw(_("Total completed qty must be greater than zero"))
+
+		if self.total_completed_qty > self.for_quantity:
+			frappe.throw(_("Total completed qty can not be greater than for quantity"))
+
 	def update_work_order(self):
 		if not self.work_order:
 			return
 
-		data = frappe.db.get_value("Job Card", {'docstatus': 1, 'operation_id': self.operation_id},
-			['sum(time_in_mins)', 'min(actual_start_date)', 'max(actual_end_date)', 'sum(for_quantity)'])
+		for_quantity, time_in_mins = 0, 0
+		from_time_list, to_time_list = [], []
 
-		if data:
-			time_in_mins, actual_start_date, actual_end_date, for_quantity = data
 
+		for d in frappe.get_all('Job Card',
+			filters = {'docstatus': 1, 'operation_id': self.operation_id}):
+			doc = frappe.get_doc('Job Card', d.name)
+
+			for_quantity += doc.total_completed_qty
+			time_in_mins += doc.total_time_in_mins
+			for time_log in doc.time_logs:
+				from_time_list.append(time_log.from_time)
+				to_time_list.append(time_log.to_time)
+
+		if for_quantity:
 			wo = frappe.get_doc('Work Order', self.work_order)
 
 			for data in wo.operations:
 				if data.name == self.operation_id:
 					data.completed_qty = for_quantity
 					data.actual_operation_time = time_in_mins
-					data.actual_start_time = actual_start_date
-					data.actual_end_time = actual_end_date
+					data.actual_start_time = min(from_time_list)
+					data.actual_end_time = max(to_time_list)
 
 			wo.flags.ignore_validate_update_after_submit = True
 			wo.update_operation_status()
@@ -132,9 +159,11 @@
 						break
 
 				if completed:
-					job_cards = frappe.get_all('Job Card', filters = {'work_order': self.work_order, 
+					job_cards = frappe.get_all('Job Card', filters = {'work_order': self.work_order,
 						'docstatus': ('!=', 2)}, fields = 'sum(transferred_qty) as qty', group_by='operation_id')
-					qty = min([d.qty for d in job_cards])
+
+					if job_cards:
+						qty = min([d.qty for d in job_cards])
 
 			doc.db_set('material_transferred_for_manufacturing', qty)
 
@@ -147,7 +176,7 @@
 			2: "Cancelled"
 		}[self.docstatus or 0]
 
-		if self.actual_start_date:
+		if self.time_logs:
 			self.status = 'Work In Progress'
 
 		if (self.docstatus == 1 and
diff --git a/erpnext/manufacturing/doctype/job_card_time_log/__init__.py b/erpnext/manufacturing/doctype/job_card_time_log/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/manufacturing/doctype/job_card_time_log/__init__.py
diff --git a/erpnext/manufacturing/doctype/job_card_time_log/job_card_time_log.json b/erpnext/manufacturing/doctype/job_card_time_log/job_card_time_log.json
new file mode 100644
index 0000000..2aab71d
--- /dev/null
+++ b/erpnext/manufacturing/doctype/job_card_time_log/job_card_time_log.json
@@ -0,0 +1,208 @@
+{
+ "allow_copy": 0, 
+ "allow_events_in_timeline": 0, 
+ "allow_guest_to_view": 0, 
+ "allow_import": 0, 
+ "allow_rename": 0, 
+ "beta": 0, 
+ "creation": "2019-03-08 23:56:43.187569", 
+ "custom": 0, 
+ "docstatus": 0, 
+ "doctype": "DocType", 
+ "document_type": "", 
+ "editable_grid": 1, 
+ "engine": "InnoDB", 
+ "fields": [
+  {
+   "allow_bulk_edit": 0, 
+   "allow_in_quick_entry": 0, 
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
+   "fetch_if_empty": 0, 
+   "fieldname": "from_time", 
+   "fieldtype": "Datetime", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 1, 
+   "in_standard_filter": 0, 
+   "label": "From Time", 
+   "length": 0, 
+   "no_copy": 0, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "translatable": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_bulk_edit": 0, 
+   "allow_in_quick_entry": 0, 
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
+   "fetch_if_empty": 0, 
+   "fieldname": "to_time", 
+   "fieldtype": "Datetime", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 1, 
+   "in_standard_filter": 0, 
+   "label": "To Time", 
+   "length": 0, 
+   "no_copy": 0, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "translatable": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_bulk_edit": 0, 
+   "allow_in_quick_entry": 0, 
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
+   "fetch_if_empty": 0, 
+   "fieldname": "column_break_2", 
+   "fieldtype": "Column Break", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 0, 
+   "in_standard_filter": 0, 
+   "length": 0, 
+   "no_copy": 0, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "translatable": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_bulk_edit": 0, 
+   "allow_in_quick_entry": 0, 
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
+   "fetch_if_empty": 0, 
+   "fieldname": "time_in_mins", 
+   "fieldtype": "Float", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 1, 
+   "in_standard_filter": 0, 
+   "label": "Time In Mins", 
+   "length": 0, 
+   "no_copy": 0, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 1, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "translatable": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_bulk_edit": 0, 
+   "allow_in_quick_entry": 0, 
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
+   "default": "0", 
+   "fetch_if_empty": 0, 
+   "fieldname": "completed_qty", 
+   "fieldtype": "Float", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 1, 
+   "in_standard_filter": 0, 
+   "label": "Completed Qty", 
+   "length": 0, 
+   "no_copy": 0, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 1, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "translatable": 0, 
+   "unique": 0
+  }
+ ], 
+ "has_web_view": 0, 
+ "hide_heading": 0, 
+ "hide_toolbar": 0, 
+ "idx": 0, 
+ "image_view": 0, 
+ "in_create": 0, 
+ "is_submittable": 0, 
+ "issingle": 0, 
+ "istable": 1, 
+ "max_attachments": 0, 
+ "modified": "2019-03-10 17:08:46.504910", 
+ "modified_by": "Administrator", 
+ "module": "Manufacturing", 
+ "name": "Job Card Time Log", 
+ "name_case": "", 
+ "owner": "Administrator", 
+ "permissions": [], 
+ "quick_entry": 1, 
+ "read_only": 0, 
+ "read_only_onload": 0, 
+ "show_name_in_global_search": 0, 
+ "sort_field": "modified", 
+ "sort_order": "ASC", 
+ "track_changes": 1, 
+ "track_seen": 0, 
+ "track_views": 0
+}
\ No newline at end of file
diff --git a/erpnext/manufacturing/doctype/job_card_time_log/job_card_time_log.py b/erpnext/manufacturing/doctype/job_card_time_log/job_card_time_log.py
new file mode 100644
index 0000000..3dc6689
--- /dev/null
+++ b/erpnext/manufacturing/doctype/job_card_time_log/job_card_time_log.py
@@ -0,0 +1,9 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2019, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+from frappe.model.document import Document
+
+class JobCardTimeLog(Document):
+	pass
diff --git a/erpnext/manufacturing/doctype/work_order/test_work_order.py b/erpnext/manufacturing/doctype/work_order/test_work_order.py
index 69381c5..b292047 100644
--- a/erpnext/manufacturing/doctype/work_order/test_work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/test_work_order.py
@@ -302,6 +302,19 @@
 		self.assertEqual(len(ste.additional_costs), 1)
 		self.assertEqual(ste.total_additional_costs, 1000)
 
+	def test_job_card(self):
+		data = frappe.get_cached_value('BOM',
+			{'docstatus': 1, 'with_operations': 1, 'company': '_Test Company'}, ['name', 'item'])
+
+		if data:
+			bom, bom_item = data
+
+			bom_doc = frappe.get_doc('BOM', bom)
+			work_order = make_wo_order_test_record(item=bom_item, qty=1, bom_no=bom)
+
+			job_cards = frappe.get_all('Job Card', filters = {'work_order': work_order})
+			self.assertEqual(len(job_cards), len(bom_doc.operations))
+
 	def test_work_order_with_non_transfer_item(self):
 		items = {'Finished Good Transfer Item': 1, '_Test FG Item': 1, '_Test FG Item 1': 0}
 		for item, allow_transfer in items.items():
@@ -346,7 +359,7 @@
 
 	wo_order = frappe.new_doc("Work Order")
 	wo_order.production_item = args.production_item or args.item or args.item_code or "_Test FG Item"
-	wo_order.bom_no = frappe.db.get_value("BOM", {"item": wo_order.production_item,
+	wo_order.bom_no = args.bom_no or frappe.db.get_value("BOM", {"item": wo_order.production_item,
 		"is_active": 1, "is_default": 1})
 	wo_order.qty = args.qty or 10
 	wo_order.wip_warehouse = args.wip_warehouse or "_Test Warehouse - _TC"
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 433141c..7d49ad5 100755
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -588,3 +588,4 @@
 erpnext.patches.v11_0.remove_barcodes_field_from_copy_fields_to_variants
 erpnext.patches.v10_0.item_barcode_childtable_migrate # 16-02-2019
 erpnext.patches.v11_0.make_italian_localization_fields # 01-03-2019
+erpnext.patches.v11_1.make_job_card_time_logs
\ No newline at end of file
diff --git a/erpnext/patches/v11_1/make_job_card_time_logs.py b/erpnext/patches/v11_1/make_job_card_time_logs.py
new file mode 100644
index 0000000..6e708df
--- /dev/null
+++ b/erpnext/patches/v11_1/make_job_card_time_logs.py
@@ -0,0 +1,29 @@
+# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
+# License: GNU General Public License v3. See license.txt
+
+from __future__ import unicode_literals
+import frappe
+
+def execute():
+    frappe.reload_doc('manufacturing', 'doctype', 'job_card_time_log')
+
+    if (frappe.db.table_exists("Job Card")
+        and frappe.get_meta("Job Card").has_field("actual_start_date")):
+        time_logs = []
+        for d in frappe.get_all('Job Card',
+            fields = ["actual_start_date", "actual_end_date", "time_in_mins", "name", "for_quantity"],
+            filters = {'docstatus': ("<", 2)}):
+            if d.actual_start_date:
+                time_logs.append([d.actual_start_date, d.actual_end_date, d.time_in_mins,
+                    d.for_quantity, d.name, 'Job Card', 'time_logs', frappe.generate_hash("", 10)])
+
+        if time_logs:
+            frappe.db.sql(""" INSERT INTO
+                `tabJob Card Time Log`
+                    (from_time, to_time, time_in_mins, completed_qty, parent, parenttype, parentfield, name)
+                values {values}
+            """.format(values = ','.join(['%s'] * len(time_logs))), tuple(time_logs))
+
+        frappe.reload_doc('manufacturing', 'doctype', 'job_card')
+        frappe.db.sql(""" update `tabJob Card` set total_completed_qty = for_quantity,
+            total_time_in_mins = time_in_mins where docstatus < 2 """)
\ No newline at end of file