diff --git a/gldatepicker/gldatepicker.d.ts b/gldatepicker/gldatepicker.d.ts
new file mode 100644
index 0000000000..232d30c783
--- /dev/null
+++ b/gldatepicker/gldatepicker.d.ts
@@ -0,0 +1,69 @@
+// Type definitions for glDatePicker 2.0
+// Project: http://glad.github.com/glDatePicker/
+// Definitions by: Dániel Tar https://github.com/qcz
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../jquery/jquery.d.ts"/>
+
+interface GlDatePickerOffset {
+    x: number;
+    y: number;
+}
+
+interface GlDatePickerDate {
+    date: Date;
+    repeatMonth?: bool;
+    repeatYear?: bool;
+}
+
+interface GlDatePickerDateRange {
+    from: Date;
+    to?: Date;
+    repeatYear?: bool;
+}
+
+interface GlDatePickerSpecialDate extends GlDatePickerDate {
+    data?: any;
+    cssClass?: string;
+}
+
+interface GlDatePickerOptions {
+    cssName?: string;
+    zIndex?: number;
+    borderSize?: number;
+    calendarOffset?: GlDatePickerOffset;
+    showAlways?: bool;
+    hideOnClick?: bool;
+    allowMonthSelect?: bool;
+    allowYearSelect?: bool;
+    todayDate?: Date;
+    selectedDate?: Date;
+    prevArrow?: string;
+    nextArrow?: string;
+    selectableDates?: GlDatePickerDate[];
+    selectableDateRange?: GlDatePickerDateRange[];
+    specialDates?: GlDatePickerSpecialDate[];
+    selectableMonths?: number[];
+    selectableYears?: number[];
+    selectableDOW?: number[];
+    monthNames?: string[];
+    dowNames?: string[];
+    dowOffset?: number;
+    onClick?: (inputElement: JQuery, cell: JQuery, date: Date, data: any) => void;
+    onHover?: (inputElement: JQuery, cell: JQuery, date: Date, data: any) => void;
+    onShow?: (calendar: JQuery) => void;
+    onHide?: (calendar: JQuery) => void;
+}
+
+interface GlDatePicker {
+    options: GlDatePickerOptions;
+
+    show(): void;
+    hide(): void;
+    render(renderCallback?: () => void): void;
+}
+
+interface JQuery {
+    glDatePicker(options?: GlDatePickerOptions): JQuery;
+    glDatePicker(ret: bool): GlDatePicker;
+}
\ No newline at end of file