Start end time

Trying to set start time to 11:00 and end time to 9:00 (we work 24h) with interval 60 min gives an error. Looks like something is happening with DB and whole site stop working. I’ve change the end time to 8:00 in the morning and got following choices in <selects> <option value=””> </option><option value=”11:00″>11:00 </option><option value=”12:00″>12:00 </option><option value=”13:00″>13:00 </option><option value=”14:00″>14:00 </option><option value=”15:00″>15:00 </option><option value=”16:00″>16:00 </option><option value=”17:00″>17:00 </option><option value=”18:00″>18:00 </option><option value=”19:00″>19:00 </option><option value=”20:00″>20:00 </option><option value=”21:00″>21:00 </option><option value=”22:00″>22:00 </option><option value=”23:00″>23:00 </option><option value=”24:00″>00:00 </option><option value=”25:00″>01:00 </option><option value=”26:00″>02:00 </option><option value=”27:00″>03:00 </option><option value=”28:00″>04:00 </option><option value=”29:00″>05:00 </option><option value=”30:00″>06:00 </option><option value=”31:00″>07:00 </option><option value=”32:00″>08:00 </option><option value=”33:00″>09:00 </option><option value=”34:00″>10:00 </option><option value=”35:00″>11:00 </option><option value=”36:00″>12:00 </option><option value=”37:00″>13:00 </option><option value=”38:00″>14:00 </option><option value=”39:00″>15:00 </option><option value=”40:00″>16:00 </option><option value=”41:00″>17:00 </option><option value=”42:00″>18:00 </option><option value=”43:00″>19:00 </option><option value=”44:00″>20:00 </option><option value=”45:00″>21:00 </option><option value=”46:00″>22:00 </option><option value=”47:00″>23:00 </option><option value=”48:00″>24:00 </option><option value=”49:00″>25:00 </option><option value=”50:00″>26:00 </option><option value=”51:00″>27:00 </option><option value=”52:00″>28:00 </option><option value=”53:00″>29:00 </option><option value=”54:00″>30:00 </option><option value=”55:00″>31:00 </option><option value=”56:00″>32:00 </option><option value=”57:00″>33:00 </option><option value=”58:00″>34:00 </option><option value=”59:00″>35:00 </option><option value=”60:00″>36:00 </option><option value=”61:00″>37:00 </option><option value=”62:00″>38:00 </option><option value=”63:00″>39:00 </option><option value=”64:00″>40:00 </option><option value=”65:00″>41:00 </option><option value=”66:00″>42:00 </option><option value=”67:00″>43:00 </option><option value=”68:00″>44:00 </option><option value=”69:00″>45:00 </option><option value=”70:00″>46:00 </option><option value=”71:00″>47:00 </option><option value=”72:00″>48:00 </option><option value=”73:00″>49:00 </option><option value=”74:00″>50:00 </option><option value=”75:00″>51:00 </option><option value=”76:00″>52:00 </option><option value=”77:00″>53:00 </option><option value=”78:00″>54:00 </option><option value=”79:00″>55:00 </option><option value=”80:00″>56:00 </option><option value=”81:00″>57:00 </option><option value=”82:00″>58:00 </option><option value=”83:00″>59:00 </option><option value=”84:00″>60:00 </option><option value=”85:00″>61:00 </option><option value=”86:00″>62:00 </option><option value=”87:00″>63:00 </option><option value=”88:00″>64:00 </option><option value=”89:00″>65:00 </option> Suggestion: Implement one more option: Working 24 hours? (YES|NO) https://wordpress.org/plugins/attendance-manager/ Thank you for your feedback. The limit from start time to end time was set to 24 hours.