diff --git a/README.md b/README.md
index d07e574c..97edec82 100644
--- a/README.md
+++ b/README.md
@@ -65,8 +65,10 @@ The following shorthands are available:
 - `YYYYMMe` or `YYYYMM+` gets expanded to the end of the given month in the given year in proper notation
   - Example: `201807e` will be converted to `2018-07-31`
 - `x` gets expanded to `2999-12-31` (which I use for products which never expire)
-- Down/up arrow keys will increase/decrease the date by one day
+- Down/up arrow keys will increase/decrease the date by 1 day
 - Right/left arrow keys will increase/decrease the date by 1 week
+- Shift + down/up arrow keys will increase/decrease the date by 1 month
+- Shift + right/left arrow keys will increase/decrease the date by 1 year
 
 ### Keyboard shorthands for buttons
 Wherever a button contains a bold highlighted letter, this is a shortcut key.
diff --git a/changelog/54_UNRELEASED_2019-xx-xx.md b/changelog/54_UNRELEASED_2019-xx-xx.md
index 1c8d09f2..4a0474d7 100644
--- a/changelog/54_UNRELEASED_2019-xx-xx.md
+++ b/changelog/54_UNRELEASED_2019-xx-xx.md
@@ -3,3 +3,6 @@
 
 ### Recipe fixes
 - Fixed that recipes were displayed without ingredients if the total recipe count was > 100
+
+### General & other improvements
+- New Input shorthands for date fields to increase/decrease the date by 1 month/year (shift + arrow keys, see the full list [here](https://github.com/grocy/grocy#input-shorthands-for-date-fields))
diff --git a/public/viewjs/components/datetimepicker.js b/public/viewjs/components/datetimepicker.js
index 2aac53be..d673a942 100644
--- a/public/viewjs/components/datetimepicker.js
+++ b/public/viewjs/components/datetimepicker.js
@@ -170,21 +170,47 @@ Grocy.Components.DateTimePicker.GetInputElement().on('keyup', function(e)
 		var dateObj = moment(value, format, true);
 		if (dateObj.isValid())
 		{
-			if (e.keyCode === 38) //Up
+			if (e.shiftKey)
 			{
-				Grocy.Components.DateTimePicker.SetValue(dateObj.add(-1, 'days').format(format));
+				// WITH shift modifier key
+
+				if (e.keyCode === 38) // Up
+				{
+					Grocy.Components.DateTimePicker.SetValue(dateObj.add(-1, 'months').format(format));
+				}
+				else if (e.keyCode === 40) // Down
+				{
+					Grocy.Components.DateTimePicker.SetValue(dateObj.add(1, 'months').format(format));
+				}
+				else if (e.keyCode === 37) // Left
+				{
+					Grocy.Components.DateTimePicker.SetValue(dateObj.add(-1, 'years').format(format));
+				}
+				else if (e.keyCode === 39) // Right
+				{
+					Grocy.Components.DateTimePicker.SetValue(dateObj.add(1, 'years').format(format));
+				}
 			}
-			else if (e.keyCode === 40) //Down
+			else
 			{
-				Grocy.Components.DateTimePicker.SetValue(dateObj.add(1, 'days').format(format));
-			}
-			else if (e.keyCode === 37) //Left
-			{
-				Grocy.Components.DateTimePicker.SetValue(dateObj.add(-1, 'weeks').format(format));
-			}
-			else if (e.keyCode === 39) //Right
-			{
-				Grocy.Components.DateTimePicker.SetValue(dateObj.add(1, 'weeks').format(format));
+				// WITHOUT shift modifier key
+
+				if (e.keyCode === 38) // Up
+				{
+					Grocy.Components.DateTimePicker.SetValue(dateObj.add(-1, 'days').format(format));
+				}
+				else if (e.keyCode === 40) // Down
+				{
+					Grocy.Components.DateTimePicker.SetValue(dateObj.add(1, 'days').format(format));
+				}
+				else if (e.keyCode === 37) // Left
+				{
+					Grocy.Components.DateTimePicker.SetValue(dateObj.add(-1, 'weeks').format(format));
+				}
+				else if (e.keyCode === 39) // Right
+				{
+					Grocy.Components.DateTimePicker.SetValue(dateObj.add(1, 'weeks').format(format));
+				}
 			}
 		}
 	}