On Wednesday, April 6, 2016 at 1:54:00 AM UTC-7, Rustem wrote:
>
> *Note:* TiddlyWiki always uses UTC <http://tiddlywiki.com/#Date%20Fields>.
> If you are populating your date field by hand, keep that in mind. Although
> the exact time does not matter, since days operates with whole days, it’s
> important to know what hour your midnight falls on in UTC. Say, you put
> “20160410” in your date field. That’s Apr 10 00:00 UTC. If you are in
> Pacific time zone, that’s actually Apr 9 5:00 PM. If you want your date to
> be Apr 10, you need to enter a time between “201604100700” and
> “201604110659”.
>
Want to share this excellent plugin to set date fields
http://kixam.github.io/TW5-datePicker/
The author has fixed the UTC problem at my request and added the ability to
set the time as well. Using this plug-in, you can set the local date and
time, and it will set the field of your choice to UTC corresponding to your
input.
Also, if you need a simple filter that would return "TRUE" for a date field
in the past and "FALSE" for the date fields in the future (including the
time), you can use the code below. This is a stripped-down days.js, but
without any arguments - just comparison to Date().
/*\
title: $:/core/modules/filters/passed.js
type: application/javascript
module-type: filteroperator
Filter operator that selects tiddlers with a specified date field in the
past.
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
/*
Export our filter function
*/
exports.passed = function(source,operator,options) {
var results = [],
fieldName = operator.suffix || "modified",
isInThePast = function(dateField) {
return new Date(dateField) < new Date();
};
if(operator.prefix === "!") {
source(function(tiddler,title) {
if(tiddler && tiddler.fields[fieldName]) {
if(!isInThePast($tw.utils.parseDate(tiddler.fields[fieldName]))) {
results.push(title);
}
}
});
} else {
source(function(tiddler,title) {
if(tiddler && tiddler.fields[fieldName]) {
if(isInThePast($tw.utils.parseDate(tiddler.fields[fieldName]))) {
results.push(title);
}
}
});
}
return results;
};
})();
>
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