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Data Table shows wrong date

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Posted on by BillZab

Hi, I am having an issue with my Power app regarding saving the correct date. I use a datepicker on my input page of my app and the user selects the date. I have the hours and minutes set as not visible so there is no input from them. When I look at my Spreadsheet the date shows as the day before with the time set at 23:00. I have seen a solution that states the following:

Solution: Set the Default of the Date DATA CARD (not the Default Date on the Date picker) to

DateAdd(Thisitem.'StartDate', 5, Hours)

However, this does not work for me and gives a red cross saying there is an error in the formula. I have changed thisitem to thisitem.date which is what my datacard is set at, but it still does not accept it. I realise I would have to change the number from 5 to suit my United Kingdom timezone, but I can only do this if the formula was correct.

Any help appreciated. TIA.

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WarrenBelz 156,275 Most Valuable Professional on at

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Hi @BillZab ,

Firstly you need

DateAdd( ThisItem.'StartDate', 5, TimeUnit.Hours )

so see if that fixes the error

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BillZab 61 on at

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Hi, thanks for that. However, it does nothing to change the date entered in to the spreadsheet. If I select todays date (9th of April, 2024) from the date picker, the date & time entered in to the data table of the spreadsheet is '08/04/2024 23:00'. This is in UK format and is exactly one hour behind the date I entered. Incidentally, I am not interested in the time of day, but i can see no way of preventing the power app from adding the time.

I should also add, that I don't recall having this issue until daylight saving time kicked in 10 days ago.

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WarrenBelz 156,275 Most Valuable Professional on at

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@BillZab ,

Sounds like a time zone issue either on your PC or where the Excel sheet is stored,

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BillZab 61 on at

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I agree. I have several users using the spps on their phones so the issue must be with the sharepoint file. I have no idea how to change the timezone of the sharepoint file storage.

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WarrenBelz 156,275 Most Valuable Professional on at

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Hi @BillZab ,

Site Settings > Regional Settings > Time Zone

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BillZab 61 on at

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Thanks Warren, I have changed this to the correct timezone, however it does not seem to change the time on the spreadsheet. Does it take a sometime to take effect do you know? It seems like my data entry send the correct date (today) with a time of 00:00 and the data is then saved to the timesheet data table as yesterday at 23:00. Is there any way I can change the time sent from the app to, say, today's date plus an hour. Your original answer of adding 5 hours did not add any time to the tha date and it still save as 23:00. Thanks.

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WarrenBelz 156,275 Most Valuable Professional on at

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@BillZab ,

This is more a maths issue and needs a bit of testing. Time zones and differences between the data source and the user are always challenging. Excel is also a terrible data source and does not handle (among other things) dates very well. I do not use it, so are not in a position to test anything.

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BillZab 61 on at

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Thanks for your help. I have not found a solution but have created a workaround in a timesheet macro that adds an hour on to the date and time, thus changing the date to the correct date.

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