> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/kalipso5/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sysdevmobile.com/kalipso5/developing/form/expressions/functions/functions-list/date-functions.md).

# Date Functions

| **Function**                                                                                                                    | **Description**                                                                                                                                                      |
| ------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [Add Days](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/add-days.md)                   | Returns the date resultant of adding days to the specified date.                                                                                                     |
| [Date Difference](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/date-difference.md)     | Returns the corresponding Char of the specified ASCII code.                                                                                                          |
| [DateTime Add](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/datetime-add.md)           | To complete a string with the specified chars until it reaches the specified length.                                                                                 |
| [DateTime Diff](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/datetime-diff.md)         | Converts a date to a string in the specified format.                                                                                                                 |
| [DateTime Sub](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/datetime-sub.md)           | Converts all the occurrences of "\<N>" in a string into the corresponding Char.                                                                                      |
| [DateToString](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/datetostring.md)           | Converts a date to a string in the specified format.                                                                                                                 |
| [Day](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/day.md)                             | Returns the Day of the specified date.                                                                                                                               |
| [Get System´s Date](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/get-system-s-date.md) | Returns the system date.                                                                                                                                             |
| [Julian](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/julian.md)                       | Returns a Global Unique Identifier.                                                                                                                                  |
| [Local To UTC Time](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/local-to-utc-time.md) | This Function returns a *\<string>*, which is the specified Date Time converted to the Coordinated Universal Time, according to the Time Zone defined in the system. |
| [Month](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/month.md)                         | Returns the Month of the specified date.                                                                                                                             |
| [Subtract Days](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/subtract-days.md)         | Returns the date resultant of subtracting days from the specified date.                                                                                              |
| [TimeToString](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/timetostring.md)           | Converts a time to a string in the specified format.                                                                                                                 |
| [UTC To Local Time](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/utc-to-local-time.md) | This Function returns a *\<string>*, which is the specified Date Time converted from the Coordinated Universal Time to the Time Zone defined in the system.          |
| [Week Day](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/week-day.md)                   | Returns the week day of the specified date.                                                                                                                          |
| [Week Number](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/week-number.md)             | This Function returns a *\<numeric>*, which is the number of the week of the specified Source Date.                                                                  |
| [Year](/kalipso5/developing/form/expressions/functions/functions-descriptions/date-functions/year-1.md)                         | Returns the Year of the specified date.                                                                                                                              |


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