How to change the date format in SQLite

Formatting date and time fields

The date and time data types come in a variety of formats to suit your individual circumstances. When formatting, you have three options: keep the default sizes, use a predefined size, or create a custom size. When you apply a format to a table field, that format is automatically applied to any form or report control that you subsequently bind to that table field. Formatting only changes how the data is displayed and does not affect how the data is stored or how users can enter data.

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Overview of date and time formats

Access automatically displays the date and time in General Date and Long Time formats. The dates are displayed as "mm / dd / yyyy" in the US and "dd / mm / yyyy" outside the US, where "mm" is the month, "dd" is the day, and "yyyy" is the year. The time is displayed as hh: mm: ss AM / PM, where hh is the hour, mm minutes and ss seconds.

These automatic date and time formats vary depending on the geographic location specified in the Microsoft Windows Regional and Language Options setting on your computer. For example, in Europe and many parts of Asia, the date and time will be 11/28/2018 12:07:12 or 11/28/2018 12:07:12 PM, depending on your location. In the US, you would see it on 11/28/2018 12:07:12 PM.

It is possible to change these predefined formats using custom display formats. You can e.g. E.g. enter a date in a European format like 11/28/2018 and display the value in the table, form or report as 11/28/2018. The custom format you choose does not affect how the data is entered or how Access stores that data.

Access automatically provides a certain level of data validation related to date and time formatting. If you z. E.g. enter an invalid date, e.g. E.g. 11.32.2018, a message is displayed and you have the option of converting a new value in or from the date / time data type to the text data type. Valid date values ​​range from -657,434 (January 1st, 100 A.D.) to 2,958,465 (December 31, 9999 A.D.). Valid time values ​​range from 0.0 to 0.9999 or 23:59:59.

If you want to restrict the entry of the date and time in a certain format, use an input format. If you z. For example, if you used an input format for entering dates in European format, a person entering data into your database will not be able to enter dates in any other format. Input formats can be applied to fields in tables, query result sets, and controls in forms and reports. For more information, see Controlling Data Entry Formats with Input Formats.

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Apply a predefined format

Access provides several predefined formats for date and time data.

In a table

  1. Open the table in the Draft view.

  2. At the top of the design grid, select the date / time field that you want to format.

  3. Click the section Field properties on the arrow in the properties field formatand choose a format from the drop-down list.

  4. After choosing a format, you will see the Update Property Options button, which will allow you to apply the new format to any other table fields and form controls that would logically inherit it. To apply your changes across the database, click the smart tag, then click Update Format Everywhere, is used. In this case Field Name is the name of your date / time field.

  5. If you want to apply your changes to the entire database, when the dialog box appears properties Update the forms and other objects that inherit the new format. click on Yes.

    For more information, see Propagate a field property.

  6. Save your changes and switch to Datasheet view to check that the format suits your needs.

Note New forms, reports, or views that you create based on this table retain the formatting of the table. However, you can override this in the form, report, or view without changing the formatting of the table.

In a form or report

  1. Open the form or report Layout view or Draft view.

  2. Position the mouse pointer in the text field with the date and time.

  3. Press F4 to display the property sheet.

  4. Place them the format property to one of the predefined date formats.

In a query

  1. Open the query in the design view.

  2. Right-click the date field, and then click Properties.

  3. In the property sheet, select Format from the Format property list out.

In one expression

  • Use the FormatDateTime function to format a date value in one of several predefined formats.

    This can be useful if you are working in an area that requires a printout, such as B. a macro or a query.

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Examples of predefined formats

format

description

example

Standard date

(Default) Displays the date values ​​as numbers and the time values ​​as hours, minutes, and seconds followed by AM or PM. Access uses the date and time separators specified in the Windows regional settings for both value types. If the value does not have a time component, Access only shows the date. If the value does not have a date component, Access only shows the time.

30.06.2018 10:10:42

Date, long

Only displays date values ​​according to the long date format specified in Windows regional settings.

Monday, August 27, 2018

Date, medium

Displays the date in the format DD / MMM / YY, but uses the date separator specified in the Windows regional settings.

27.08.18
27.08.2018

Date, short

Displays the date values ​​according to the short date format specified in Windows regional settings.

27.08.2018
8-27-2018

Time, long

Displays hours, minutes, and seconds followed by AM or PM. Access uses the separator specified in the Windows regional settings for the time setting.

10:10:42 AM

Time, 12h

Displays hours and minutes followed by AM or PM. Access uses the separator specified in the Windows regional settings for the time setting.

10:10 AM

Time, 24h

Displays hours and minutes only. Access uses the separator specified in the Windows regional settings for the time setting.

10:10

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Apply a custom size

Sometimes contains the The Format property drop-down list in the property sheet does not have the exact date format that you want. You can create your own custom format by using a type of code that Access recognizes for date formatting.

When applying a custom format to the date / time field, you can combine different formats using two sections (one for the date and one for the time). In such a case, you would separate the sections with a space. For example, you can combine the General Date and Long Time formats as follows: m / dd / yyyy h: mm: ss.

  1. Open the table in the Draft view.

  2. At the top of the design grid, select the Date / Time or Advanced Date / Time field that you want to format.

  3. Choose in the section Field Properties the tab Generally click the cell next to the field Format, and enter the specific characters based on your formatting needs.

  4. After you enter a format, the Update Property Options button appears, which allows you to apply the format to any other table fields and form controls that would logically inherit it. To apply your changes across the database, click the smart tag, and then click Update Format Everywhere If Field name is used. In this case Field Name is the name of your date / time field.

  5. If you want to apply the changes to the entire database, the dialog box appears Update properties appears with the forms and other objects that inherit the new format. click on Yesto apply the format.

    For more information, see Propagate a field property.

  6. Save your changes, then switch to Datasheet view to see that the format suits your needs.

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Examples of custom formats

Here are some examples of different ways you can format Jan 13, 2012:

To format the date like ...

Enter this code in the property box format a:

2012-01-13

yyyy-mm-dd

2012

yyyy

January 13, 2012

dd mmm yyyy

13.01.2012

dd \ .mm \ .yyyy (Access will add the backslashes automatically)

Fri 1/13

ddd m / d

2/6

ww / w

January 13, 2012

mmm d "," yyyy

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Custom format characters

Use the following characters as wildcards and separators to create a custom size. Custom formats that do not match the date and time settings specified in Windows regional settings are ignored. For more information, see Change Windows Regional Settings to Change the Appearance of Some Types of Data.

Note There is no user-defined format character for the nanosecond range of a data type "extended date / time".

character

description

Date separator

Controls where Access places the day, month, and year separator. Use the separator defined in the regional Windows settings. For example, in English (United States), use a forward slash (/).

Time separator

Controls at which Access places separators for hours, minutes, and seconds. Use the separator defined in the regional Windows settings. For example, in English (United States), use a colon (:).

c

Displays the general date format.

d or dd

Displays the day of the month as one or two digits. Use a single wildcard for a digit. use two wildcards for two digits.

ddd

Shortens the day of the week to three letters.

dddd

Spells out all days of the week.

TTTTT

Indicates the short date format.

TTTTTT

Displays the Long Date format.

w

Displays a number that corresponds to the day of the week. (1 to 7)

ww

Displays a number that corresponds to the week of the year (1 through 53).

m or mm

Displays the month as either a one-digit or two-digit number.

MMM

Abbreviates the name of the month in three letters. For example, January is displayed as Jan.

MMMM

Spells out all month names.

q

Displays the number of the current calendar quarter (1-4). For example, if you hire an employee in May, Access shows 2 as the quarterly value.

J

Displays the day of the year 1-366.

yy

Displays the last two digits of the year.

Note: It is recommended to turn all four digits of a given year on and on and on or off.

yyyy

Displays all digits in a year for 0001-9999, depending on the supported date and time data range.

h or hh

Displays the hour as one or two digits.

n or nn

Displays minutes as one or two digits.

s or ss

Displays seconds as one or two digits.

tttt

Displays the "Long time" format.

AM / PM

Time in 12-hour format with the capital letters "AM" or "PM".

am / pm

Time in 12-hour format with the lowercase letters "am" or "pm".

A / P

Time in 12-hour format with the capital letter "A" or "P".

a / p

Time in 12-hour format with the lowercase "a" or "p".

AMPM

Time in 12-hour format with the respective identifier for morning / afternoon according to the regional settings of Windows.

White space, + - $ ()

Use spaces, some math symbols (+ -), and financial symbols ($ ¥ £) anywhere in your format strings as needed. If you want to use other common math symbols, such as the forward slash (\ or /) and the asterisk (*), enclose them in double quotation marks.

"Literal text"

Enclose any text that users want to see in double quotation marks.

\

Forces Access to display the character immediately following. This is identical to the environment of a character enclosed in double quotes.

*

When used, the character immediately after the asterisk becomes a fill character - a character used to fill in spaces. Access usually displays text as left-justified and fills any area to the right of the value with spaces. You can add fill characters anywhere in a format string and Access will fill in any spaces with the specified character.

[Colour]

Applies a color to all values ​​in a section of the format. You need to put the name in brackets and use one of the following names: black, blue, cyan, green, magenta, red,

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Set a date / time format in an Access Web App

Access Web Apps displays data in "Views" that contain text fields such as forms in desktop databases. Instead of using a property sheet, however, you set formatting options by highlighting the text box, then clicking the displayed Click the Format button. Then choose format from the list format out.

Access apps don't have custom date formats. You can build queries in Access apps, but there are no options for formatting date columns in the query. All date formatting is controlled at the view level. Finally, the FormatDateTime feature isn't available in Access apps.

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