Utilizing TypeScript for date calculations.
Example:
Initial Date 1: "10/06/2021 10:10:05"
Initial Date 2: "08/06/2021 11:10:05"
Calculate the difference between the two dates, including date/month/year/hour/min/sec/milliseconds. Ensure compatibility with all time regions.
Calculated Difference:
2 days = 10/06/2021 10:10:05 - 08/06/2021 11:10:05
Updated Date 1:
Add the calculated difference to Date 1.
New Date 1 = 12/06/2021 HH:MM:SS
To find the difference between two dates, consider that it could be negative depending on the order of the dates provided. If you want to subtract the earlier date from the later one, simply remove the Math.abs function in the code snippet below. Everything else will function as expected.
var date1: Date = new Date("10/06/2021 10:10:05")
var date2: Date = new Date("08/06/2021 11:10:05")
var dateDifference = Math.abs(date1.valueOf() - date2.valueOf());
var newDate = new Date(date1.valueOf() + dateDifference);
console.log(newDate)
The above code will result in 2021-12-06T03:40:05.000Z. If you prefer the format 06/12/2021 9:10:05, use the following snippet:
console.log(newDate.toLocaleDateString('en-GB', { month: '2-digit',day: '2-digit',year: 'numeric'}) + " " + newDate.toLocaleTimeString().substring(0, 7))
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