Here is the 24 hrs time drop down. so please select one time. for this we used onchange event.
Select Time :
Select Time : <select id="time" onchange="Convert24To12Format(this.value)"> <option value="01:00">01:00</option> <option value="01:30">01:30</option> <option value="02:00">02:00</option> <option value="02:30">02:30</option> <option value="03:00">03:00</option> <option value="03:30">03:30</option> <option value="04:00">04:00</option> <option value="04:30">04:30</option> <option value="05:00">05:00</option> <option value="05:30">05:30</option> <option value="06:00">06:00</option> <option value="06:30">06:30</option> <option value="07:00">07:00</option> <option value="07:30">07:30</option> <option value="08:00">08:00</option> <option value="08:30">08:30</option> <option value="09:00">09:00</option> <option value="09:30">09:30</option> <option value="10:00">10:00</option> <option value="10:30">10:30</option> <option value="11:00">11:00</option> <option value="11:30">11:30</option> <option value="12:00">12:00</option> <option value="12:30">12:30</option> <option value="13:00">13:00</option> <option value="13:30">13:30</option> <option value="14:00">14:00</option> <option value="14:30">14:30</option> <option value="15:00">15:00</option> <option value="15:30">15:30</option> <option value="16:00">16:00</option> <option value="16:30">16:30</option> <option value="17:00">17:00</option> <option value="17:30">17:30</option> <option value="18:00">18:00</option> <option value="18:30">18:30</option> <option value="19:00">19:00</option> <option value="19:30">19:30</option> <option value="20:00">20:00</option> <option value="20:30">20:30</option> <option value="21:00">21:00</option> <option value="21:30">21:30</option> <option value="22:00">22:00</option> <option value="22:30">22:30</option> <option value="23:00">23:00</option> <option value="23:30">23:30</option> </select> <script type="text/javascript"> function Convert24To12Format(format){ var newformat = '', timeFormat = ' AM'; if(format != ''){ var old_arr = format.split(':'); var new_arr = parseInt(old_arr); newformat = old_arr[0]; if(new_arr > 12){ newformat = (new_arr - 12) + ''; timeFormat = ' PM'; } if(newformat.length < 2) newformat = '0' + newformat; newformat += ":" + old_arr[1] + timeFormat; } alert(newformat); } </script>
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