The PDT offset can either be -7 or -8 hours depending on daylight saving time changes.
I am unable to just subtract 7 * 60 * 60 from the UTC timestamp, as that seems to be the common suggestion when searching for a solution to this problem.
Is there a straightforward way to display an alert with the current Pacific Daylight Time using Javascript?
If you want to format dates in JavaScript, you can utilize the toLocaleString method (there's also toLocaleTimeString if you're only interested in the time portion):
alert(new Date('2020-01-01T00:00:00Z').toLocaleString(undefined, {
timeZone: 'America/Los_Angeles'
}))
// Output: 12/31/2019, 4:00:00 PM
In this specific example, a predefined timestamp is used to demonstrate the transformation from input to output. To display the current time, simply use new Date() without any initial value.
The first parameter within the method represents the locale setting. In this instance, using undefined indicates that it will adhere to the current system locale, resulting in the date and time format being based on the user's preferences (e.g., on my device, it shows 31.12.2019, 16:00:00). Alternatively, you can specify a fixed locale like en-US for consistent formatting.
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