Determine PST vs PDT

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Posted on by SJ-15052312-0

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Hello,

I have an app that is used over sea's and in many time zones. I want certain features or behaviors altered depending on what time it is in the pacific time zone. How can I account for PDT vs PST? I see the function TimeZoneOffset() but the offset would vary from -7 to -8 depending on the time of the year.

In java I would use something like:

ZonedDateTime dateTime = ZonedDateTime.now(ZoneId.of("America/Los_Angeles"));

Which would account for this. How can I do this in PowerApps

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cchannon 4,702 Moderator on at

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Bad news is that PowerApps has no baked-in function for delivering you a user's Timezone, just the offset. The reasoning is probably that 99% of the time you only care about correcting for the conversion; not about the actual string representation of the timezone itself.

The Good news, however, is that this isn't impossible; just really, really annoying. Power Automate does let you pick specific time zone values and perform calculations on them, for example, getting the difference between Now() in Pacific time and Now() in UST. So, what you're going to need to do here is create a PowerAutomate Flow that gives you some useful data (i.e. the offset for Pacfic time right now) that you can compare to the user's timezoneoffset to decide where they are.

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WarrenBelz 155,399 Most Valuable Professional on at

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Hi @cchannon ,
You could get smart with Location.Longitude and have a table looking for values between to adjust the TimeZoneOffset by this amount.

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs Up.

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cchannon 4,702 Moderator on at

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Good point Warren, and if users are pretty well clustered in just a handful of urban centers that would probably be enough, but it would require requesting device location permissions which can be tricky to get users on board with.

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cchannon 4,702 Moderator on at

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@samuelJ As an alternative, you might consider looking up your user's record in whatever data source you are using. It might have the timezone there. Or, if you are feeling code-happy you could use a PCF to get it from AD.

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cbristol 75 on at

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could you explain this any further?

I have a similar issue and have watched so many videos.

We have multiple locations around the country and the calendar lookup is in PST. I cannot change SP to anything but PST. All I need to do is force the dates shown in PowerApps as PST.

To get clever showing the individual's time zone would make scheduling easier, but at this point I just need the date to be the same! I don't know why there is no formula for this...

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DwayneT 10 on at

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Pacific Daylight Time (PDT) is a North American time zone in use from the second Sunday in March to the first Sunday in November during Daylight Saving Time (DST). Pacific Standard Time (PST) is used during the remainder of the year.

This may help,
Dwayne

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