Convert Time to Another Timezone with Considering Daylight Time Using JavaScript

user_7561507 0
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I'm trying to convert specific time to my local timezone that is Asia/Tehran with this code:

var date = new Date("9/9/2021 17:30 UTC +1").toLocaleString('en-US', {
        "timeZone": "Asia/Tehran"
})

Based on this link https://www.timeanddate.com/worldclock/converter.html?iso=20211009T163000&p1=3903&p2=246 I should get 20:00 time. But I'm getting 21:00. I know this is because of daylight times in Iran, But how can I consider daylight times when I want to use the JavaScript toLocaleString function?

javascript
1 Answers

In the link, you have the month October, whereas in your code, you have September .

user_11717920
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