Explore: Parse initial dates

- parse dates passed from URL
- keep everything local time for now

public/app/features/explore/Explore.tsx

@@ -38,7 +38,7 @@ import Graph from './Graph';
 import Logs from './Logs';
 import Table from './Table';
 import ErrorBoundary from './ErrorBoundary';
-import TimePicker from './TimePicker';
+import TimePicker, { parseTime } from './TimePicker';
 
 interface ExploreProps {
   datasourceSrv: DatasourceSrv;
@@ -115,7 +115,7 @@ export class Explore extends React.PureComponent<ExploreProps, ExploreState> {
     } else {
       const { datasource, queries, range } = props.urlState as ExploreUrlState;
       initialQueries = ensureQueries(queries);
-      const initialRange = range || { ...DEFAULT_RANGE };
+      const initialRange = { from: parseTime(range.from), to: parseTime(range.to) } || { ...DEFAULT_RANGE };
       // Millies step for helper bar charts
       const initialGraphInterval = 15 * 1000;
       this.state = {

public/app/features/explore/TimePicker.tsx

@@ -15,7 +15,7 @@ export const DEFAULT_RANGE = {
  * Return a human-editable string of either relative (inludes "now") or absolute local time (in the shape of DATE_FORMAT).
  * @param value Epoch or relative time
  */
-export function parseTime(value: string, isUtc = false): string {
+export function parseTime(value: string | moment.Moment, isUtc = false): string | moment.Moment {
   if (moment.isMoment(value)) {
     return value;
   }