diff --git a/types/react-big-calendar/index.d.ts b/types/react-big-calendar/index.d.ts
index 1070d45497..057bf2e1da 100644
--- a/types/react-big-calendar/index.d.ts
+++ b/types/react-big-calendar/index.d.ts
@@ -6,6 +6,7 @@
 //                 Sebastian Silbermann <https://github.com/eps1lon>
 //                 Paul Potsides <https://github.com/strongpauly>
 //                 janb87 <https://github.com/janb87>
+//                 Daniel Thorne <https://github.com/ldthorne>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.8
 import { Validator } from 'prop-types';
@@ -220,7 +221,7 @@ export interface BigCalendarProps<TEvent extends Event = Event, TResource extend
     localizer: DateLocalizer;
 
     date?: stringOrDate;
-    now?: Date;
+    getNow?: () => Date;
     view?: View;
     events?: TEvent[];
     onNavigate?: (newDate: Date, view: View, action: Navigate) => void;
diff --git a/types/react-big-calendar/react-big-calendar-tests.tsx b/types/react-big-calendar/react-big-calendar-tests.tsx
index fd1e70f929..4bb6f23943 100644
--- a/types/react-big-calendar/react-big-calendar-tests.tsx
+++ b/types/react-big-calendar/react-big-calendar-tests.tsx
@@ -70,6 +70,7 @@ class CalendarResource {
             return (
               <MyCalendar  {...this.props}
               date={new Date()}
+              getNow={() => new Date()}
               view={'day'}
               events={getEvents()}
               onNavigate={(newDate: Date, view: View, action: Navigate) => { }}