-
Notifications
You must be signed in to change notification settings - Fork 9
/
tz.html
390 lines (356 loc) · 13.1 KB
/
tz.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
<!doctype html>
<html lang="en">
<head>
<title>Slot selector</title>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<style>
.project-text {
color: #FF7676;
}
.course-text {
color: #000000;
}
.timezone-header {
font-size: 13pt;
color: #333333;
font-weight: bold;
}
.card-header {
background-color: #ABBAC1;
}
.container {
max-width: 700px;
padding: 0;
margin: auto;
}
.card {
margin: 0px;
border: none;
}
@media (max-width: 500px) {
.timezone-header {
font-size: 10pt;
}
.js-Selector {
max-width: 100%;
}
.container {
max-width: 100%;
}
}
</style>
</head>
<body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.25.3/moment-with-locales.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment-timezone/0.5.41/moment-timezone-with-data-10-year-range.min.js"></script>
<div class="container">
<div class="card">
<h5 class="card-header">Time slot selector</h5>
<div class="card-body">
<div>
<br/>Students and TAs work on <span class="course-text"><b>synchronous coursework</b></span>
and <span class="project-text"><b>projects</b></span> during the times below. (Mentors help in
<span class="project-text">projects</span> time only. )
See times for coursework and projects in each slot below
in your local timezone. <br>
<br>
</div>
<span class="timezone-header"><i>CHOOSE YOUR TIMEZONE (based on July 2025):</i></span> <select class="js-Selector" onchange="onChange()" id='timezone'>
</select>
<br><br>
<p><span style = "font-size:13pt;"><i> Course times:</i></span></p>
<div id="times">
</div>
<div>
<br/>People in your timezone often choose the slot in <b>bold</b>,
but you can choose whichever slot best fits your schedule!
</div>
<div>
<br>
* If you have issues with the website please try the Chrome browser.
</div>
<script>
// Adapted from https://matall.in/posts/building-an-usable-timezone-selector/
const _t = (s) => {
if (i18n !== void 0 && i18n[s]) {
return i18n[s];
}
return s;
};
const timezones = [
"Etc/GMT+12",
"Pacific/Midway",
"Pacific/Honolulu",
"America/Juneau",
"America/Dawson",
"America/Boise",
"America/Chihuahua",
"America/Phoenix",
"America/Chicago",
"America/Regina",
"America/Mexico_City",
"America/Belize",
"America/Detroit",
"America/Indiana/Indianapolis",
"America/Bogota",
"America/Glace_Bay",
"America/Caracas",
"America/Santiago",
"America/St_Johns",
"America/Sao_Paulo",
"America/Argentina/Buenos_Aires",
"America/Godthab",
"Etc/GMT+2",
"Atlantic/Azores",
"Atlantic/Cape_Verde",
"Europe/London",
"Africa/Casablanca",
"Atlantic/Canary",
"Europe/Belgrade",
"Europe/Sarajevo",
"Europe/Brussels",
"Europe/Amsterdam",
"Africa/Algiers",
"Europe/Bucharest",
"Africa/Cairo",
"Europe/Helsinki",
"Europe/Athens",
"Asia/Jerusalem",
"Africa/Harare",
"Europe/Moscow",
"Asia/Kuwait",
"Africa/Nairobi",
"Asia/Baghdad",
"Asia/Tehran",
"Asia/Dubai",
"Asia/Baku",
"Asia/Kabul",
"Asia/Yekaterinburg",
"Asia/Karachi",
"Asia/Kolkata",
"Asia/Kathmandu",
"Asia/Dhaka",
"Asia/Colombo",
"Asia/Almaty",
"Asia/Rangoon",
"Asia/Bangkok",
"Asia/Krasnoyarsk",
"Asia/Shanghai",
"Asia/Kuala_Lumpur",
"Asia/Taipei",
"Australia/Perth",
"Asia/Irkutsk",
"Asia/Seoul",
"Asia/Tokyo",
"Asia/Yakutsk",
"Australia/Darwin",
"Australia/Adelaide",
"Australia/Sydney",
"Australia/Brisbane",
"Australia/Hobart",
"Asia/Vladivostok",
"Pacific/Guam",
"Asia/Magadan",
"Pacific/Fiji",
"Pacific/Auckland",
"Pacific/Tongatapu"
];
const i18n = {
"Etc/GMT+12": "International Date Line West",
"Pacific/Midway": "Midway Island, Samoa",
"Pacific/Honolulu": "Hawaii",
"America/Juneau": "Alaska",
"America/Dawson": "Pacific Time (US and Canada); Tijuana",
"America/Boise": "Mountain Time (US and Canada)",
"America/Chihuahua": "Chihuahua, La Paz, Mazatlan",
"America/Phoenix": "Arizona",
"America/Chicago": "Central Time (US and Canada)",
"America/Regina": "Saskatchewan",
"America/Mexico_City": "Guadalajara, Mexico City, Monterrey",
"America/Belize": "Central America",
"America/Detroit": "Eastern Time (US and Canada)",
"America/Indiana/Indianapolis": "Indiana (East)",
"America/Bogota": "Bogota, Lima, Quito",
"America/Glace_Bay": "Atlantic Time (Canada)",
"America/Caracas": "Caracas, La Paz",
"America/Santiago": "Santiago",
"America/St_Johns": "Newfoundland and Labrador",
"America/Sao_Paulo": "Brasilia",
"America/Argentina/Buenos_Aires": "Buenos Aires, Georgetown",
"America/Godthab": "Greenland",
"Etc/GMT+2": "Mid-Atlantic",
"Atlantic/Azores": "Azores",
"Atlantic/Cape_Verde": "Cape Verde Islands",
"Europe/London": "Dublin, Edinburgh, Lisbon, London",
"Africa/Casablanca": "Casablanca, Monrovia",
"Atlantic/Canary": "Canary Islands",
"Europe/Belgrade": "Belgrade, Bratislava, Budapest, Ljubljana, Prague",
"Europe/Sarajevo": "Sarajevo, Skopje, Warsaw, Zagreb",
"Europe/Brussels": "Brussels, Copenhagen, Madrid, Paris",
"Europe/Amsterdam": "Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna",
"Africa/Algiers": "West Central Africa",
"Europe/Bucharest": "Bucharest",
"Africa/Cairo": "Cairo",
"Europe/Helsinki": "Helsinki, Kiev, Riga, Sofia, Tallinn, Vilnius",
"Europe/Athens": "Athens, Istanbul, Minsk",
"Asia/Jerusalem": "Jerusalem",
"Africa/Harare": "Harare, Pretoria",
"Europe/Moscow": "Moscow, St. Petersburg, Volgograd",
"Asia/Kuwait": "Kuwait, Riyadh",
"Africa/Nairobi": "Nairobi",
"Asia/Baghdad": "Baghdad",
"Asia/Tehran": "Tehran",
"Asia/Dubai": "Abu Dhabi, Muscat",
"Asia/Baku": "Baku, Tbilisi, Yerevan",
"Asia/Kabul": "Kabul",
"Asia/Yekaterinburg": "Ekaterinburg",
"Asia/Karachi": "Islamabad, Karachi, Tashkent",
"Asia/Kolkata": "Chennai, Kolkata, Mumbai, New Delhi",
"Asia/Kathmandu": "Kathmandu",
"Asia/Dhaka": "Astana, Dhaka",
"Asia/Colombo": "Sri Jayawardenepura",
"Asia/Almaty": "Almaty, Novosibirsk",
"Asia/Rangoon": "Yangon Rangoon",
"Asia/Bangkok": "Bangkok, Hanoi, Jakarta",
"Asia/Krasnoyarsk": "Krasnoyarsk",
"Asia/Shanghai": "Beijing, Chongqing, Hong Kong SAR, Urumqi",
"Asia/Kuala_Lumpur": "Kuala Lumpur, Singapore",
"Asia/Taipei": "Taipei",
"Australia/Perth": "Perth",
"Asia/Irkutsk": "Irkutsk, Ulaanbaatar",
"Asia/Seoul": "Seoul",
"Asia/Tokyo": "Osaka, Sapporo, Tokyo",
"Asia/Yakutsk": "Yakutsk",
"Australia/Darwin": "Darwin",
"Australia/Adelaide": "Adelaide",
"Australia/Sydney": "Canberra, Melbourne, Sydney",
"Australia/Brisbane": "Brisbane",
"Australia/Hobart": "Hobart",
"Asia/Vladivostok": "Vladivostok",
"Pacific/Guam": "Guam, Port Moresby",
"Asia/Magadan": "Magadan, Solomon Islands, New Caledonia",
"Pacific/Fiji": "Fiji Islands, Kamchatka, Marshall Islands",
"Pacific/Auckland": "Auckland, Wellington",
"Pacific/Tongatapu": "Nuku'alofa"
}
const selectorOptions = moment.tz.names()
.filter(tz => {
return timezones.includes(tz)
})
.reduce((memo, tz) => {
memo.push({
name: tz,
offset: moment("2025-07-01").tz(tz).utcOffset()
});
return memo;
}, [])
.sort((a, b) => {
return a.offset - b.offset
})
.reduce((memo, tz) => {
const timezone = tz.offset ? moment("2025-07-01").tz(tz.name).format('Z') : '';
return memo.concat(`<option value="${tz.name}">(GMT${timezone}) ${_t(tz.name)}</option>`);
}, "");
document.querySelector(".js-Selector").innerHTML = selectorOptions;
/*
$(".js-Selector").on("change", e => {
const timestamp = dateTimeUtc.unix();
const offset = moment.tz(e.target.value).utcOffset() * 60;
const dateTimeLocal = moment.unix(timestamp + offset).utc();
document.querySelector(".js-TimeLocal").innerHTML = dateTimeLocal.format("ddd, DD MMM YYYY HH:mm:ss");
});
*/
document.querySelector(".js-Selector").value = "";
function formatTime(time) {
if(time == '00:00') {
return '00:00 (midnight)';
} else if(time == '12:00') {
return '12:00 (noon)';
} else {
if(time > '12:00') {
return time + " (" + (Number(time.substr(0, 2)) - 12) + ':' + (time.substr(3, 2) + 'PM') + ")";
} else {
return time;
}
}
}
function onChange() {
var startTimes0 = {'1': ['00:30', '09:00'],
'2': ['04:30', '13:00'],
'3': ['08:00', '16:30'],
'4': ['13:00', '21:30'],
'5': ['17:00', '01:30']}
var startTimes = {'1': ['00:30', '05:00'],
'2': ['04:30', '09:00'],
'3': ['8:00', '12:30'],
'4': ['13:00', '17:30'],
'5': ['17:00', '21:30']}
var startTimes2 = {'1': ['06:00', '09:00'],
'2': ['10:00', '13:00'],
'3': ['13:30', '16:30'],
'4': ['18:30', '21:30'],
'5': ['22:30', '01:30']}
var regions = {'1': 'Eastern Asia / Australia',
'2': 'Middle East / India',
'3': 'Europe / Africa',
'4': 'Eastern Americas',
'5': 'Western Americas'}
var deltas = []
for(var prop in startTimes0) {
var startTime0 = moment.tz("2025-07-13 " + startTimes0[prop][0], "UTC").clone().tz(document.getElementById('timezone').value).format().substr(11, 5);
var fracHour = Number(startTime0.substr(0, 2)) + Number(startTime0.substr(3, 2)) / 60.0;
deltas.push(Math.abs(fracHour - 8.6));
}
var bestDelta = deltas.indexOf(Math.min.apply(Math, deltas));
var theStr = "<p>";
var i = 0;
for(var prop in startTimes) {
var startTime = moment.tz("2025-07-13 " + startTimes[prop][0], "UTC").clone().tz(document.getElementById('timezone').value).format().substr(11, 5);
var endTime = moment.tz("2025-07-13 " + startTimes[prop][1], "UTC").clone().tz(document.getElementById('timezone').value).format().substr(11, 5);
var startTime2 = moment.tz("2025-07-13 " + startTimes2[prop][0], "UTC").clone().tz(document.getElementById('timezone').value).format().substr(11, 5);
var endTime2 = moment.tz("2025-07-13 " + startTimes2[prop][1], "UTC").clone().tz(document.getElementById('timezone').value).format().substr(11, 5);
var bold = false;
if( bestDelta == i) {
bold = true;
theStr += "<b>"
}
theStr += "<u>SLOT " + prop + " (daytime in " + regions[prop] + ") <br>"
if(bestDelta == i) {
wasBold = true;
theStr += "</b>"
}
else {
theStr += ""
}
// if(prop.valueOf() === new String("1").valueOf() || prop.valueOf() === new String("3").valueOf() || prop.valueOf() === new String("4").valueOf()){
// theStr += "</u> projects are " +
// '<span style = "color:#FF7676;font-weight:bold;font-family:monospace;font-size:12pt;">' + formatTime(startTime2) + " - " +
// formatTime(endTime2)+'</span> local time;';
// theStr += "<br> coursework is " +
// '<span style = "color:#000000;font-weight:bold;font-family:monospace;font-size:12pt;">' + formatTime(startTime) + " - " +
// formatTime(endTime)+'</span> local time;';
// }
// else {
theStr += "</u> coursework is " +
'<span style = "color:#000000;font-weight:bold;font-family:monospace;font-size:12pt;">' + formatTime(startTime) + " - " +
formatTime(endTime)+'</span> local time;';
theStr += "<br> projects are " +
'<span style = "color:#FF7676;font-weight:bold;font-family:monospace;font-size:12pt;">' + formatTime(startTime2) + " - " +
formatTime(endTime2)+'</span> local time;';
// }
theStr += "</p>"
i++;
}
document.getElementById('times').innerHTML = theStr;
}
onChange();
</script>
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
</div>
</div>
</div>
</body></html>