try this code working fiddle http://jsfiddle.net/KWvNe/
HTML
<div class="well">
<div id="from-datepicker" class="input-append date">
<input data-format="dd/MM/yyyy hh:mm:ss" type="text"></input>
<span class="add-on">
<i data-time-icon="icon-time" data-date-icon="icon-calendar">
</i>
</span>
</div>
</div>
<div class="well">
<div id="to-datepicker" class="input-append date">
<input data-format="dd/MM/yyyy hh:mm:ss" type="text"></input>
<span class="add-on">
<i data-time-icon="icon-time" data-date-icon="icon-calendar">
</i>
</span>
</div>
</div>
JS
$(function() {
var d = new Date();
var today = d;
var dateThreeMonthLater = d.setMonth(d.getMonth() + 3);
$('#from-datepicker').datetimepicker({
language: 'pt-BR',
startDate: today,
endDate: dateThreeMonthLater
});
$('#to-datepicker').datetimepicker({
language: 'pt-BR'
});
});
Check working fiddle here http://jsfiddle.net/KWvNe/ do not forgot to include essential javascript and css check here http://tarruda.github.io/bootstrap-datetimepicker/
You can set following options for a datepicker
maskInput: true, // disables the text input mask
pickDate: true, // disables the date picker
pickTime: true, // disables de time picker
pick12HourFormat: false, // enables the 12-hour format time picker
pickSeconds: true, // disables seconds in the time picker
startDate: -Infinity, // set a minimum date
endDate: Infinity // set a maximum date