<script>
            Date.prototype.addHours = function(h) {
               this.setTime(this.getTime() + (h*60*60*1000));
               return this;
            }
            var maxDate1 = new Date();
             maxDate1.setMonth(maxDate1.getMonth() + 1);


            var logic = function( currentDateTime ){
              // 'this' is jquery object datetimepicker
              var days_between = get_days_between(new Date(), currentDateTime);
              if(days_between == 0) {
                this.setOptions({
                  minTime: 0
                });
              }else
                this.setOptions({
                  minTime:'08:00'
                });
            };

            var date = $('#datetimepicker').datetimepicker({
                minDate: 0,
                minTime: 0,
                //maxTime: '14:00',
                maxDate: maxDate1,
                stepMonths: 0,
                changeMonth: false,
                changeYear: false,
                //dateFormat: 'dd/mm/yy',
                /*minTime: 0,*/
                /*defaultTime: "00:00",*/
                onChangeDateTime:logic,
                /*onChangeTime:logic,*/
                onShow:logic,
                beforeShowDay: noSunday,
                allowTimes:[
                  //'07:00',
                  '08:00',
                  '09:00',
                  '10:00',
                  '11:00',
                  '12:00',
                  '13:00',
                  '14:00',
                  '15:00',
                  '16:00',
                  '17:00',
                  '18:00',
                  '19:00',
                  '20:00',
                  '21:00',
                  '22:00',
                  '23:00',
                ]
            });
            //console.log($('#datetimepicker').find('.xdsoft_prev'))//.remove();
            //$('#datetimepicker').find('.xdsoft_next').remove();

            /*document.styleSheets[0].addRule(".xdsoft_prev", "display: none;");*/
            /*
            $("#datetimepicker").val(date);*/
            function noSunday(date){
                var day = date.getDay();
                  return [(day > 0), ''];
            };


            var logic2 = function(ct) {

                var firstDateInput = jQuery('#datetimepicker').val()?jQuery('#datetimepicker').val():false;

                console.log(firstDateInput);
                var limDate = new Date(firstDateInput);
                limDate.addHours(1);
                var minDate = new Date(limDate);
                limDate.addHours(2);
                console.log(minDate);
                console.log(limDate);
                limDate.getTime();
                this.setOptions({
                    maxDate:limDate,
                    minDate:minDate,
                    minTime:minDate.getTime(),
                    maxTime:limDate.getTime(),
                })
            }
            /*var logic2 = function(ct) {

                var firstDateInput = jQuery('#datetimepicker').val()?jQuery('#datetimepicker').val():false;
                var date2 = new Date();
                var date2 = $('#datetimepicker').datetimepicker('getDate', firstDateInput);

                date2.setHours(date2.getHours()+2);

                //$('#datetimepicker2').datetimepicker('setDate', date2)
            }*/

            $.datetimepicker.setLocale('fr');
            jQuery('#datetimepicker2').datetimepicker({
                /*minDate: 0,
                minTime: 0,*/
                stepMonths: 0,
                changeMonth: false,
                changeYear: false,
                //dateFormat: 'dd/mm/yy',
                onChangeDateTime:logic2,
                onShow:logic2,
                allowTimes:[
                  //'07:00',
                  '08:00',
                  '09:00',
                  '10:00',
                  '11:00',
                  '12:00',
                  '13:00',
                  '14:00',
                  '15:00',
                  '16:00',
                  '17:00',
                  '18:00',
                  '19:00',
                  '20:00',
                  '21:00'
                ],


            });

            function get_days_between(date1, date2) {
                if (date1 && date2) {
                    // The number of milliseconds in one day
                    var ONE_DAY = 1000 * 60 * 60 * 24

                    // Convert both dates to milliseconds
                    var date1_ms = date1.getTime()
                    var date2_ms = date2.getTime()

                    // Calculate the difference in milliseconds
                    var difference_ms = Math.abs(date1_ms - date2_ms)

                    // Convert back to days and return
                    return Math.round(difference_ms/ONE_DAY)
                } else {
                    return null;
                }

            }

        </script>