Time conversion function

Symon · Posted: Wed Jul 05, 2006 9:26 pm

Add this script to your overall_footer.tpl or where ever you wish it to be shown.

You can see what it will look like by clicking here and looking in the footer of the forum.

<title>World Time Converter</title><script language="Javascript">

function convert()
{
day = ', same day';

var timezonebase = 30 * parseInt( document.gmtconvert.timeChoice.options

[document.gmtconvert.timeChoice.selectedIndex].value );

var offset = parseInt(document.gmtconvert.zone1.options

[document.gmtconvert.zone1.selectedIndex].value ) - parseInt(document.gmtconvert.zone2.options

[document.gmtconvert.zone2.selectedIndex].value );
// if positive, first city is ahead

var timezoneselected = timezonebase - offset;

timezoneselected = (timezoneselected / 30);

var targetTime = parseInt( document.gmtconvert.timeChoice.options

[document.gmtconvert.timeChoice.selectedIndex].value ) + timezoneselected;

if( timezoneselected < 0 )
{
timezoneselected = 48 + timezoneselected;
day = ', previous day';
}
else if( timezoneselected > 47 )
{
timezoneselected = timezoneselected - 48;
day = ', next day';
}
if(timezoneselected<0)
{
timezoneselected=timezoneselected*-1;
}
document.gmtconvert.time.value = times[timezoneselected*2] + day;
showInternetTime( timezonebase );

}

var times = new Array( 96 );
times[0] = "00:00 (Midnight)";
times[1] = "00:15 (12:15 A.M.)";
times[2] = "00:30 (12:30 A.M.)";
times[3] = "00:45 (12:45 A.M.)";
times[4] = "01:00 (1:00 A.M.)";
times[5] = "01:15 (1:15 A.M.)";
times[6] = "01:30 (1:30 A.M.)";
times[7] = "01:45 (1:45 A.M.)";
times[8] = "02:00 (2:00 A.M.)";
times[9] = "02:15 (2:15 A.M.)";
times[10] = "02:30 (2:30 A.M.)";
times[11] = "02:45 (2:45 A.M.)";
times[12] = "03:00 (3:00 A.M.)";
times[13] = "03:15 (3:15 A.M.)";
times[14] = "03:30 (3:30 A.M.)";
times[15] = "03:45 (3:45 A.M.)";
times[16] = "04:00 (4:00 A.M.)";
times[17] = "04:15 (4:15 A.M.)";
times[18] = "04:30 (4:30 A.M.)";
times[19] = "04:45 (4:45 A.M.)";
times[20] = "05:00 (5:00 A.M.)";
times[21] = "05:15 (5:15 A.M.)";
times[22] = "05:30 (5:30 A.M.)";
times[23] = "05:45 (5:45 A.M.)";
times[24] = "06:00 (6:00 A.M.)";
times[25] = "06:15 (6:15 A.M.)";
times[26] = "06:30 (6:30 A.M.)";
times[27] = "06:45 (6:45 A.M.)";
times[28] = "07:00 (7:00 A.M.)";
times[29] = "07:15 (7:15 A.M.)";
times[30] = "07:30 (7:30 A.M.)";
times[31] = "07:45 (7:45 A.M.)";
times[32] = "08:00 (8:00 A.M.)";
times[33] = "08:15 (8:15 A.M.)";
times[34] = "08:30 (8:30 A.M.)";
times[35] = "08:45 (8:45 A.M.)";
times[36] = "09:00 (9:00 A.M.)";
times[37] = "09:15 (9:15 A.M.)";
times[38] = "09:30 (9:30 A.M.)";
times[39] = "09:45 (9:45 A.M.)";
times[40] = "10:00 (10:00 A.M.)";
times[41] = "10:15 (10:15 A.M.)";
times[42] = "10:30 (10:30 A.M.)";
times[43] = "10:45 (10:45 A.M.)";
times[44] = "11:00 (11:00 A.M.)";
times[45] = "11:15 (11:15 A.M.)";
times[46] = "11:30 (11:30 A.M.)";
times[47] = "11:45 (11:45 A.M.)";
times[48] = "12:00 (Noon)";
times[49] = "12:15 (12:15 P.M.)";
times[50] = "12:30 (12:30 P.M.)";
times[51] = "12:45 (12:45 P.M.)";
times[52] = "13:00 (1:00 P.M.)";
times[53] = "13:15 (1:15 P.M.)";
times[54] = "13:30 (1:30 P.M.)";
times[55] = "13:45 (1:45 P.M.)";
times[56] = "14:00 (2:00 P.M.)";
times[57] = "14:15 (2:15 P.M.)";
times[58] = "14:30 (2:30 P.M.)";
times[59] = "14:45 (2:45 P.M.)";
times[60] = "15:00 (3:00 P.M.)";
times[61] = "15:15 (3:15 P.M.)";
times[62] = "15:30 (3:30 P.M.)";
times[63] = "15:45 (3:45 P.M.)";
times[64] = "16:00 (4:00 P.M.)";
times[65] = "16:15 (4:15 P.M.)";
times[66] = "16:30 (4:30 P.M.)";
times[67] = "16:45 (4:45 P.M.)";
times[68] = "17:00 (5:00 P.M.)";
times[69] = "17:15 (5:15 P.M.)";
times[70] = "17:30 (5:30 P.M.)";
times[71] = "17:45 (5:45 P.M.)";
times[72] = "18:00 (6:00 P.M.)";
times[73] = "18:15 (6:15 P.M.)";
times[74] = "18:30 (6:30 P.M.)";
times[75] = "18:45 (6:45 P.M.)";
times[76] = "19:00 (7:00 P.M.)";
times[77] = "19:15 (7:15 P.M.)";
times[78] = "19:30 (7:30 P.M.)";
times[79] = "19:45 (7:45 P.M.)";
times[80] = "20:00 (8:00 P.M.)";
times[81] = "20:15 (8:15 P.M.)";
times[82] = "20:30 (8:30 P.M.)";
times[83] = "20:45 (8:45 P.M.)";
times[84] = "21:00 (9:00 P.M.)";
times[85] = "21:15 (9:15 P.M.)";
times[86] = "21:30 (9:30 P.M.)";
times[87] = "21:45 (9:45 P.M.)";
times[88] = "22:00 (10:00 P.M.)";
times[89] = "22:15 (10:15 P.M.)";
times[90] = "22:30 (10:30 P.M.)";
times[91] = "22:45 (10:45 P.M.)";
times[92] = "23:00 (11:00 P.M.)";
times[93] = "23:15 (11:15 P.M.)";
times[94] = "23:30 (11:30 P.M.)";
times[95] = "23:45 (11:45 P.M.)";
times[96] = "00:00 (Midnight)";

</SCRIPT>

</table>

</td><td valign="top" width="24"></td><td valign="top">

<h1><b><font size="3">GMT TIME CONVERTER</font></b></h1>

<table align="top" width="450" cellpadding="2" cellspacing="1" border="1" bgcolor="#FFFFFF">

<tr>
<td bgcolor="#C0C0C0" width="200"><b>When it is:</b></td>
<td bgcolor="#C0C0C0" width="200"> </td>
</tr>

<tr>
<td width="200">
<form name="gmtconvert">
<select name="timeChoice">
<option value="0" selected>00:00 (Midnight)</option>
<option value="1">00:30 (12:30 A.M.)</option>
<option value="2">01:00 (1:00 A.M.)</option>
<option value="3">01:30 (1:30 A.M.)</option>
<option value="4">02:00 (2:00 A.M.)</option>
<option value="5">02:30 (2:30 A.M.)</option>
<option value="6">03:00 (3:00 A.M.)</option>
<option value="7">03:30 (3:30 A.M.)</option>
<option value="8">04:00 (4:00 A.M.)</option>
<option value="9">04:30 (4:30 A.M.)</option>
<option value="10">05:00 (5:00 A.M.)</option>
<option value="11">05:30 (5:30 A.M.)</option>
<option value="12">06:00 (6:00 A.M.)</option>
<option value="13">06:30 (6:30 A.M.)</option>
<option value="14">07:00 (7:00 A.M.)</option>
<option value="15">07:30 (7:30 A.M.)</option>
<option value="16">08:00 (8:00 A.M.)</option>
<option value="17">08:30 (8:30 A.M.)</option>
<option value="18">09:00 (9:00 A.M.)</option>
<option value="19">09:30 (9:30 A.M.)</option>
<option value="20">10:00 (10:00 A.M.)</option>
<option value="21">10:30 (10:30 A.M.)</option>
<option value="22">11:00 (11:00 A.M.)</option>
<option value="23">11:30 (11:30 A.M.)</option>
<option value="24">12:00 (12:00 (Noon)</option>
<option value="25">12:30 (12:30 P.M.)</option>
<option value="26">13:00 (1:00 P.M.)</option>
<option value="27">13:30 (1:30 P.M.)</option>
<option value="28">14:00 (2:00 P.M.)</option>
<option value="29">14:30 (2:30 P.M.)</option>
<option value="30">15:00 (3:00 P.M.)</option>
<option value="31">15:30 (3:30 P.M.)</option>
<option value="32">16:00 (4:00 P.M.)</option>
<option value="33">16:30 (4:30 P.M.)</option>
<option value="34">17:00 (5:00 P.M.)</option>
<option value="35">17:30 (5:30 P.M.)</option>
<option value="36">18:00 (6:00 P.M.)</option>
<option value="37">18:30 (6:30 P.M.)</option>
<option value="38">19:00 (7:00 P.M.)</option>
<option value="39">19:30 (7:30 P.M.)</option>
<option value="40">20:00 (8:00 P.M.)</option>
<option value="41">20:30 (8:30 P.M.)</option>
<option value="42">21:00 (9:00 P.M.)</option>
<option value="43">21:30 (9:30 P.M.)</option>
<option value="44">22:00 (10:00 P.M.)</option>
<option value="45">22:30 (10:30 P.M.)</option>
<option value="46">23:00 (11:00 P.M.)</option>
<option value="47">23:30 (11:30 P.M.)</option>
</select> </td>
<td rowspan="10" width="200">
<h1 align="center"><b><font size="3">Don't know your Time Zone?</font></b></h1>
<h1 align="center"><b><font size="3">Press </font> <a href="http://wwp.greenwichmeantime.com/gmt-converter2.htm">
<font size="3">here</font></a></b></h1>
</td>
</tr>
<tr><td width="200"><b><font size="1">(Select Time)</font></b></td></tr>

<tr>
<td bgcolor="#C0C0C0" width="200">
<b>In:</b> </td>
</tr>

<tr><td width="200"><select class="gmtform" name="zone1" size=4>
<option value="0">Greenwich Mean Time (GMT)</option>
<option value="60">GMT + 1</option>
<option value="120">GMT + 2</option>
<option value="180">GMT + 3</option>
<option value="240">GMT + 4</option>
<option value="300">GMT + 5</option>
<option value="330">GMT + 5.5 (India)</option>
<option value="360">GMT + 6</option>
<option value="420">GMT + 7</option>
<option value="480">GMT + 8</option>
<option value="540">GMT + 9</option>
<option value="600">GMT + 10</option>
<option value="660">GMT + 11</option>
<option value="720">GMT + 12</option>
<option value="780">GMT + 13</option>
<option value="840">GMT + 14</option>
<option value="-60">GMT - 1</option>
<option value="-120">GMT - 2</option>
<option value="-180">GMT - 3</option>
<option value="-240">GMT - 4</option>
<option value="-300">GMT - 5</option>
<option value="-360">GMT - 6</option>
<option value="-420">GMT - 7</option>
<option value="-480">GMT - 8</option>
<option value="-540">GMT - 9</option>
<option value="-600">GMT - 10</option>
<option value="-660">GMT - 11</option>
<option value="-720">GMT - 12</option>

</select> </td>

</tr>
<tr><td width="200"><font size="1"><b>(Select Time Zone 1)</b></font></td></tr>

<tr><td bgcolor="#C0C0C0" width="200">
<b>
What time will it be in:</b> </td>
</tr>

<tr><td width="200"><select class="gmtform" name="zone2" size=4>
<option value="0">Greenwich Mean Time (GMT)</option>
<option value="60">GMT + 1</option>
<option value="120">GMT + 2</option>
<option value="180">GMT + 3</option>
<option value="240">GMT + 4</option>
<option value="300">GMT + 5</option>
<option value="330">GMT + 5.5 (India)</option>
<option value="360">GMT + 6</option>
<option value="420">GMT + 7</option>
<option value="480">GMT + 8</option>
<option value="540">GMT + 9</option>
<option value="600">GMT + 10</option>
<option value="660">GMT + 11</option>
<option value="720">GMT + 12</option>
<option value="780">GMT + 13</option>
<option value="840">GMT + 14</option>
<option value="-60">GMT - 1</option>
<option value="-120">GMT - 2</option>
<option value="-180">GMT - 3</option>
<option value="-240">GMT - 4</option>
<option value="-300">GMT - 5</option>
<option value="-360">GMT - 6</option>
<option value="-420">GMT - 7</option>
<option value="-480">GMT - 8</option>
<option value="-540">GMT - 9</option>
<option value="-600">GMT - 10</option>
<option value="-660">GMT - 11</option>
<option value="-720">GMT - 12</option>

</select> </td>

</tr>
<tr><td width="200"><font size="1"><b> (Select Time Zone 2)</b></font></td></tr>

<tr><td width="200">
<input class="gmtform" type="button" name="go" value="PRESS HERE" onclick="convert()"></td>
</tr>

<tr><td width="200">
<input class="gmtform" type=text size=30 name="time"> </td></tr>
</table></body>