It is really easy to convert local time to UTC in JavaScript
JavaScript: Select Date Time with Timezone - TechBrij
javascript - How do I convert UTC date into user timezone in fullCalendar.io - Stack Overflow
javascript - How to format a UTC date as a `YYYY-MM-DD hh:mm:ss` string using NodeJS? - Stack Overflow
Careful Model Binding JavaScript ISO Date Format to DateTime - Hamid Mosalla
Basics of JavaScript: How to Work with Date and Time • CloudSigma
Bringing Sanity to JavaScript UTC Dates with Moment.js and Ember Data
GitHub - lobopraveen/JavaScript-UTCDate: How To Convert JavaScript Local Date to UTC And UTC To Local Date
javascript - ExtJS: How to utilize UTC time in custom DateTimeField - Stack Overflow
How to get UTC time in Java - Javatpoint
javascript - Strange behavior of `new Date(Date.UTC)` - Stack Overflow
UTC time to the local time in JavaScript - Grow Together By Sharing Knowledge
How to Convert Date to UTC in JavaScript
JavaScript getUTCMilliseconds
angularjs - Javascript datetime strings ignoring timezone offset (experiment) - Stack Overflow
A Complete Guide to JavaScript Dates (and why your date is off by 1 day) - DEV Community 👩💻👨💻
Demystifying DateTime Manipulation in JavaScript | Toptal
How to convert UTC date time into local date time using JavaScript ? - GeeksforGeeks
How to handle Time Zones in JavaScript | by Ravidu Perera | Bits and Pieces
How to convert a date to UTC string in JavaScript
How to Convert Date to UTC in JavaScript
Convert Date Objects Into ISO 8601 UTC Strings - isoformat | CSS Script
javascript - Is there a function to get the UTC date in the Locale String Format? - Stack Overflow
How to convert UTC Date by Javascript? - Stack Overflow
Demystifying DateTime Manipulation in JavaScript | Toptal
